Math MCQs for CSS, PMS, NTS
and all other Competitive exams
1 The price of sugar increases by 32%. A family reduces its consumption so that the expenditure of the sugar is up by 10% only. If the total consumption of sugar before the price rise was 10 kg per month, then the consumption of sugar per month at present(in kg) is
(a) 8.33 (b) 8.5
(c) 8.75 (d) 9
2 A ball pen factory decided to reduce its production by 10% over that of previous month for next 3 months starting from February 1994. In January 1994, it produced 3000 ball pens. How many ball pens were produced in March 1994?
(a) 2700 (b) 2430
(c) 2187 (d) 2400
3 A building worth Rs 133,100 is constructed on land worth Rs. 72,900. After how many years will the value of both be the same if land appreciates at 10% pa. and building depreciates at 10% p.a. ?
(a) 2.5 (b) 2
(c) 1.5 (d) 3
4 A man’s basic pay for a 40 hour week is Rs. 2000. Overtime is paid for at 25% above the basic rate. In a certain week, he worked overtime and his total wage was Rs. 2500. He, therefore, worked for a total of:
(a) 45 hours (b) 47 hours
(c) 48 hours (d) 50 hours
5 Salaries of A, B and C are in the ratio 1:2:3. Salary of B and C together is Rs. 60000. By what percent is salary of C more than that of A?
(a) 300 (b) 600
(c) 100 (d) 200
6 The price of a table is Rs. 400 more than that of a chair. If 6 tables and 6 chairs together cost Rs. 4800, by what percent is the price of the chair less than that of the table?
(a) 200 (b) 400
(c) 100 (d) None of these
7 The length and breadth of a square are increased by 40% and 30% respectively. The area of the resulting rectangle exceeds the area of the square by?
(a) 42% (b) 62%
(c) 82% (d) None of these
8 The length of a rectangle is increased by 20% and the width is decreased by 20%. The area decreases by
(a) 0.8% (b) 1.2%
(c) 4% (d) 8%
