Question
Total population of city P and Q is 3360 and 4850
respectively. If the ratio of number of males to females in city is P and Q is 5:3 and 3:2 respectively, then find the difference between number of males in city P and number of females in city Q.Solution
Number of males in city P = 5/8 x 3360 = 2100 & number of females in city Q = 2/5 x 4850 = 1940 Desired difference = 2100 – 1940 = 160
If sin⁴ x + cos⁴ x = 5/8, then the value of sin2x is
Aman invested Rs. 13,000 in a scheme offering simple interest of 20% p.a. For how many months should he keep his money invested in the scheme if he wish...
2, 5, 16, 65, ?, 1957
Two cars, A and B, are traveling in the same direction on a highway. The ratio of their speeds is 3:4. If both cars increase their speeds by 15 km/h, th...
A share is to be distributed among A, B, C, D in the ratio 7 : 5 : 4 : 2. If C gets Rs 500 more than D, what will be the share of B?
Let A represent the sum of the two smallest prime numbers. Let B be the average of the largest and second-largest two-digit prime numbers. Determine the...
(32) -3/5 = ?
A merchant mixes two varieties of rice, one costing ₹55 per kg and the other costing ₹80 per kg, and sells the mixture at ₹75 per kg, making a pro...