if a : b : : 2 : 3, and b : c : : 4 : 5 then find a : b : C. a) 8 : 12 : 15 b) 4 : 3 : 5 c) 4 : 6 : 9 d) 2 : 4 : 7 Sol: a:b=2:3 b:c=4:5 a:b:c=8:12:15
if a : b : : 2 : 3, and b : c : : 4 : 5 then find a : b : C. Read More »
A and B invest in a business in the ratio 3 : 2. If 5% of the total profit goes to charity and A’s share is Rs. 855. The total profit is. a) 1500 Rs. b) 1350 Rs. c) 1425 Rs. d) None of these Sol:
If cos A=sin2A. and a sin12A+b sin10A+c sin8A+sin6A=1. Then a+b+c=? a) 5 b) 7 c) 6 d) 8 Sol:
If cos A=sin2A. and a sin12A+b sin10A+c sin8A+sin6A=1. Then a+b+c=? Read More »
Sides PQ and SR of a cyclic quadrilateral PQRS are produced to meet at T and sides PS and QR are produced to meet at U. If ∠PST = 87° and ∠ QTR = 41° , then the difference between ∠ QPS and ∠ SUR is a) 15° b) 23° c) 17° d) 19° Sol:
On a certain day 25% of total students of a school were absent – the ratio of the number of boys to the number of girls who were present is 11 : 19. The total number of girls enrolled in the school is 3850. The number of boys who were absent is 700 more than
Some men can do a piece of work in 70 days. If there were 2 men less. It would be finished in 10 days more. Find the number of men initially? a) 10 b) 16 c) 5 d) 50 Sol: 70 (x)=80 (x-2) 160=10 x x=16
Three partners shared the profit in a business in the ratio 5 : 7 : 8 . They had partnered for 14 months, 8 months & 7 months respectively. What was the ratio of their investments? a) 5 : 7 : 8 b) 20 : 49 : 64 c) 38 : 28 : 21 d)
On a certain sum of money lent out at 16% per annum, the difference between the compound interest for 1 year, payable half-yearly, and the simple interest for 1 year is Rs. 60. The sum is? a) 9393 b) 9375 c) 9870 d) 9555 Sol: Rate = 16% p.a. Time = 1 year (half-yearly) Difference
Two types of sugar of rate Rs. 5.60/kg and Rs. 6.40/kg is present with a shopkeeper. What quantity of second type of sugar should be mixed with 20 kg of first type of sugar to get mixture of rate Rs. 6.20/kg a) 30 kg b) 40 kg c) 50 kg d) 60 kg Sol:
A is inversely proportional to square of B. When A is 25, B is 3. Find the value of A when B is 5 . a) 9 b) 3 c) 5 d) 25 Sol:
