Maths Mcqs Practice Test

Question 1

The tax on a commodity is diminished by 20% but its consumption is increased by 10%. Find the decrease percent in the revenue derived from it?

Accepted Answer

D. 12%

Question 2

The amount of water (in ml) that should be added to reduce 9 ml. Lotion, containing 50% alcohol, to a lotion containing 30% alcohol, is__________?

Accepted Answer

D. 6

Question 3

A mixture of 70 liters of wine and water contains 10% water. How much water must be added to make water 12 ½% of the total mixture?

Accepted Answer

D. 2 liters

Question 4

In a factory, there are 40% technicians and 60% non-technicians. If the 60% of the technicians and 40% of non-technicians are permanent employees, then the percentage of workers who are temporary is________?

Accepted Answer

C. 52%

Question 5

5% people of a village in Sri Lanka died by bombardment, 15% of the remainder left the village on account of fear. If now the population is reduced to 3553, how much was it in the beginning?

Accepted Answer

C. 4400

Question 6

A salesman’s terms were changed from a flat commission of 5% on all his sales to a fixed salary of Rs.1000 plus 2.5% commission on all sales exceeding Rs. 4,000. If his remuneration as per new scheme was Rs. 600 more than that by the previous schema, his sales were worth?

Accepted Answer

B. Rs. 12,000

Question 7

A and B’s salaries together amount to Rs. 2,000. A spends 95% of his salary and B spends 85% of his. If now their savings are the same, what is A’s salary?

Accepted Answer

D. Rs.1500

Question 8

An engineering student has to secure 36% marks to pass. He gets 130 marks and fails by 14 marks. The maximum No. of marks obtained by him is_________?

Accepted Answer

B. 400

Question 9

If the numerator of a fraction is increased by 20% and its denominator is diminished by 25% value of the fraction is 2/15. Find the original fraction.

Accepted Answer

A. 1/12

Question 10

Subtracting 10% from X is the same as multiplying X by what number?

Accepted Answer

B. 90%

Question 11

If the price of gold increases by 50%, find by how much the quantity of ornaments must be reduced, so that the expenditure may remain the same as before?

Accepted Answer

B. 33 1/3 %

Question 12

A candidate got 35% of the votes polled and he lost to his rival by 2250 votes. How many votes were cast?

Accepted Answer

A. 7500

Question 13

The tax on a commodity is diminished by 20% and its consumption increased by 15%. The effect on revenue is_________?

Accepted Answer

B. It decreases by 8%

Question 14

The salary of a typist was at first raised by 10% and then the same was reduced by 5%. If he presently draws Rs.1045.What was his original salary?

Accepted Answer

C. 1000

Question 15

A sells his goods 50% cheaper than B but 50% dearer than C. The cheapest is_________?

Accepted Answer

C. C

Question 16

Two numbers are respectively 20% and 25% more than a third number. The percentage that is first of the second is_________?

Accepted Answer

C. 96%

Question 17

In an examination 38% of students fail in English and 61% pass in Urdu and 23% fail in both. Find the actual failure percentage?

Accepted Answer

C. 54%

Question 18

The salary of Mr. X is 30% more than that of Mr. Y . Find what percent of Mr. Y’s salary is less than Mr. X’s?

Accepted Answer

C. 23 1/13 %

Question 19

If y exceeds x by 25%, then x is less than y by__________?

Accepted Answer

C. 20%

Question 20

If the price has fallen by 10% what percent of its consumption be: increased so that the expenditure may be the same as before?

Accepted Answer

C. 11 1/9 %