WB PSC Food SI
December 27, 2018

## PSC FOOD Examination 40+ Mathematics special Question's & Answers ।। ফুড এর খাদ্য দপ্তরএর 40+টি গুরুত্বপূর্ণ অঙ্ক প্রশ্ন এবং উত্তর।।Studyarea.in

## WBPCS FOOD Examination 40+ Mathematics special MCQ Question's & Answers ।। ফুড এর খাদ্য দপ্তরএর 40+ গুরুত্বপূর্ণ অঙ্ক প্রশ্ন এবং উত্তর :-

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গণিত SAQ পর্ব -০১

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** ● Mathematics SAQ Practice Set ●**

## হ্যালো স্টুডেন্টস্,

## আজ আমরা আপনাদের সাথে শেয়ার করবো, গণিত থেকে বাছাই করা কিছু MCQ মডেল প্রশ্ন ও উত্তরের ওপর আজকের 48 টি SAQঅঙ্ক প্রশ্ন ও উত্তরের প্র্যাকটিস সেট (বাংলাতে) যেটা প্রতিযোগিতা মূলক পরীক্ষার জন্য খুবই গুরুত্বপূর্ণ । এছাড়াও বিশেষ করে অন্যান্য যেকোনো ধরণের প্রতিযোগিতা মূলক পরীক্ষার জন্য সকল স্টুডেন্টদেরকে ভীষণভাবে সাহায্য করবে। ।তাই আর দেরী না করে নিচের সেটটি প্র্যাকটিস করে নিজেকে যাচাই করে নিন :-

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**◆স্পেশাল গণিত SAQ প্র্যাকটিস সেট নং -01**
1◆ The price of petrol has increased by 32% what should be the percentage reduction in consumption so that the expenditure exceeds only by 10% ---
Ans:- 16 2/3 %

2◆ Find the difference between c.i &s.i on Rs. 200 for 3 years at 5% per annum ---
Ans:- 15.25

3◆ A reduction of 208 in the price of mangoes enables a person to purchase 12 more for Rs.15 what was the price of 16 mangoes before reduction----
Ans :- Rs.5

4◆ A dishonest shopkeeper professes to sell his groceries at his cost price but uses a false weight of 900 grams for each kg. Find the gain percent ---
Ans :-11 1/9%

5◆ Suket has three daughters and each daughter has a brother .How many male member are there in the family---
Ans :- 2

6◆ A sum of money becomes 27/44 of itself in 1/6 years at a certain rate of simple interest .The rate of interest per annum is --
Ans :- 75%

7◆A boat goes downstream in 1/6 th of the time it takes to go upstream .Than the ratio between the speed of boat in steel water and that of the stream is --
Ans :- 7:5

8◆ The difference between the selling price and cost price of an article is ₹252. If the profit is 36% than the selling price of the article is--
Ans :- 952

9◆ Find the simple interest on Rs.306.25 from March 3rd to July 27th at 3- 3/4 per annum --
Ans:- 4.59

10◆ A sum of money amounts of Rs.850 in 3 year and Rs.925 in 4 year what is the sum--
Ans :-625

11◆ A sum of Rs.2540 is lent out in two parts,one at 12% and the other at 12-1/2%. If the total annual income is Rs.312.42the money land at 12%is ---
Ans :- 1016

12◆ The simple interest on a sum of money is 1/9 th of the principle and the number of year is equal to the rate percent per annum find the rate percent--
Ans :- 3-1/3

13◆ 12 men and 16 women together can complete a work in 4 days. It takes 80 days for one men alone to complite the same work ,than how meny days would be required for one women alone to complete the same woek----
Ans:- 160 days

14◆ The average age of 6 persons in a committee is increased by 2 years,when two men aged 55 years and 60 years are substituted by two women The average age of these two women is --
Ans:- 63.5 years

15◆ In an examination,48%of the candidates failed in hindi and 42%failed in social .If 14% failed in both the subjects, than the percentage of candidates who passed in both the subject is--
Ans:- 24%

16◆ The following numbers fall in a group .which one dose not belong to the groups?
53,63,83,73
Ans:- 63

17◆ Select the related number from the given alternatives.
7:56: :5:?
Ans :-30 (7+×8=56)(5×6=30).

18◆ The mean of 80 items is found to be 40 .If at the time of calculation ,two items are wrongly taken as 36 and 14 instead of 22 and 13, the correct mean is --
Ans :- 39.81

19◆ A merchant sold two radios for Rs.150 each .one was sold at a loss of 25% of the cost and the other was sold at a gain of 25% of the cost determine the total amount of gain or loss he incurred--
Ans:- Loss Rs.20/-

20◆ A person purchases 50 dozen eggs at Rs.4/- per dozen .of these ,120 eggs were found broken .At what price should he sell the remaining in ordered to make a profit of 20%--
Ans:- 6

21◆ What annual payment will discharge a debit of Rs. 770 in 5 year the rate of interest being 5% per annum--
Ans:- 140

22◆ What annual payment will discharge a debit of Rs.848 in 4 years at 4% per annum--
Ans:- 200

23◆ The annual payment of Rs.80 in 5 year at 5% perannum s.i will discharge a debit of--
Ans:- 440

24◆ A sells an article to B for Rs.11.000/- at a gain of 10% and B sells it to C at a loss of 10% .how much rupees C paid to B---
Ans:- 9.900/-

25◆ The market price of an article is Rs.150/- what is the cost price is even after a commission of 20% a profit of 20 % is made-
Ans:- Rs.100/-

26◆ The rate of interest of the frist 2 years is 3% per annum for the next 3 years is 8% per annum and for the period beyond 5 years 10% per annum if a men get Rs. 1520 as a simple interest for 6 years how much money did he deposit--
Ans:- 3800

27◆ A sum of money trebles it self in 20 years at s.i find the rate of interest--

Ans:- 10%

28◆ In what time does a sum of money become four times at the simple interest rate of 5% per annum--

Ans :- 60

29◆ A person lend a certain sum of money at 4% simple interest,and in 8 years interest amount to Rs.340 less than the sum lend find the sum lend--

Ans:-500

30◆ The simple interest Rs.1650 will be less than the interest on Rs. 1800 at 4% simple interest by Rs. 30 find the time--

Ans:- 5

31◆ A man invest an amount of Rs.15860 in the names of his three sons A.b and C is such a way that they get the same amount after 2.3 and 4 years respectively on the rate of simple interest is 5% than the ratio in which the amount was investd Ab ans C--

Ans:- 2:3:4

32◆ The difference between the interest received from two different bank on Rs.500 for 2 years is Rs. 2.5 find the difference between their rates--

Ans :- 0.25

33◆ The simple interest on a certain sum of money at 4% per annum for 4 years is 80 more than the interest on the same sum for 3 years at 5% per annum find the sum--

Ans:- 8000

34◆ A sum of money at compound interest compounded yearly ,amount 2 year is Rs. 2704 and 3 years to Rs. 2812 .16 the rate of interest--

Ans:- 4%

35◆ A sum of money is interested at compound interest payable yearly The interest in two suceSsive years as Rs. 225 and Rs.252 at rate of interest is--

Ans:- 12%

36◆ A sum of money placed at compound interest double it self in three years if will become 15 times it self in what year--

Ans :- 12

37◆ A given sum of money is double in 4 years when invested at compound interest .it will become 16 times the sum in what year--

Ans:- 16

38◆ A sum of money invested at compound interest amount to Rs. 1218.99 at the end of 5 years and to Rs. 1267.37 at the end of 7 years find the rate of interest--

Ans:- 2%

39◆ The difference between simple and compound interest on a certain sum of money in 2 years at 5% per annum is Rs. 40 find the sum of money--

Ans:- 16000

40◆ The simple interest on a sum of money is 9/16 of the principle and rate percent is equal to sum the sum ber of yeas find the rate percent--

Ans :- 7.5%

41◆ Rs. 800 amounts to Rs. 920 in 3 years at simple interest if the interest rate is increased by 3% to how much would it amount--

Ans :- 992

42◆ If the difference of C.i and S.I on a certain sum of money for 3 years at 5% per annum is Rs. 122 find the sum--

Ans :-16000

43◆ The difference between the simple and the compound interest on a certain sum of money for 2 years at 4% per annum is Rs. 1 find the sum --

Ans :- 625

44◆Find the difference between C.I And S.I on Rs. 5000 for 3 years at 2.5% per annum--

Ans :- 15.125

45◆ The compound interest on a certain sum of money for 2 year at 5% is Rs. 246 find the simple interest at the sem rate at the seme time --

Ans:- 240

46◆The compound interest on a certain sum of money for 2 year at 10% per annum is Rs. 420 find the simple interest and the same rate at the same time --

Ans :- 400

**◆স্পেশাল গণিত SAQ প্র্যাকটিস সেট নং -01**Ans:- 10%

28◆ In what time does a sum of money become four times at the simple interest rate of 5% per annum--

Ans :- 60

29◆ A person lend a certain sum of money at 4% simple interest,and in 8 years interest amount to Rs.340 less than the sum lend find the sum lend--

Ans:-500

30◆ The simple interest Rs.1650 will be less than the interest on Rs. 1800 at 4% simple interest by Rs. 30 find the time--

Ans:- 5

31◆ A man invest an amount of Rs.15860 in the names of his three sons A.b and C is such a way that they get the same amount after 2.3 and 4 years respectively on the rate of simple interest is 5% than the ratio in which the amount was investd Ab ans C--

Ans:- 2:3:4

32◆ The difference between the interest received from two different bank on Rs.500 for 2 years is Rs. 2.5 find the difference between their rates--

Ans :- 0.25

33◆ The simple interest on a certain sum of money at 4% per annum for 4 years is 80 more than the interest on the same sum for 3 years at 5% per annum find the sum--

Ans:- 8000

34◆ A sum of money at compound interest compounded yearly ,amount 2 year is Rs. 2704 and 3 years to Rs. 2812 .16 the rate of interest--

Ans:- 4%

35◆ A sum of money is interested at compound interest payable yearly The interest in two suceSsive years as Rs. 225 and Rs.252 at rate of interest is--

Ans:- 12%

36◆ A sum of money placed at compound interest double it self in three years if will become 15 times it self in what year--

Ans :- 12

37◆ A given sum of money is double in 4 years when invested at compound interest .it will become 16 times the sum in what year--

Ans:- 16

38◆ A sum of money invested at compound interest amount to Rs. 1218.99 at the end of 5 years and to Rs. 1267.37 at the end of 7 years find the rate of interest--

Ans:- 2%

39◆ The difference between simple and compound interest on a certain sum of money in 2 years at 5% per annum is Rs. 40 find the sum of money--

Ans:- 16000

40◆ The simple interest on a sum of money is 9/16 of the principle and rate percent is equal to sum the sum ber of yeas find the rate percent--

Ans :- 7.5%

41◆ Rs. 800 amounts to Rs. 920 in 3 years at simple interest if the interest rate is increased by 3% to how much would it amount--

Ans :- 992

42◆ If the difference of C.i and S.I on a certain sum of money for 3 years at 5% per annum is Rs. 122 find the sum--

Ans :-16000

43◆ The difference between the simple and the compound interest on a certain sum of money for 2 years at 4% per annum is Rs. 1 find the sum --

Ans :- 625

44◆Find the difference between C.I And S.I on Rs. 5000 for 3 years at 2.5% per annum--

Ans :- 15.125

45◆ The compound interest on a certain sum of money for 2 year at 5% is Rs. 246 find the simple interest at the sem rate at the seme time --

Ans:- 240

46◆The compound interest on a certain sum of money for 2 year at 10% per annum is Rs. 420 find the simple interest and the same rate at the same time --

Ans :- 400