The average of marks of 11 students is 72. If average of first 6 is 70 and that of last 6 is 71, then the marks of… Read More

A batsman had a certain average of runs for last 16 innings. He made a score of 87 runs in next inning ,thereby increasing his… Read More

If total six persons sit around a table, the probability that some specified three of them are always together is (A) 2/21 (B) 3/10 (C)… Read More

In a group of horses and hens, the number of legs are 84 more than twice the number of heads. The number of horses are: (A)… Read More

Sandy starts business with Rs.3500 and after 5 months, Himanshu joins with him as partner. After one year, the profit is divided in the ratio 2 : 3. What is… Read More

Two Equal Amounts of Money are lent out at 6% and 5 % simple Interest respectively at the same time. The former is recovered two… Read More

Kajol and Rani can build a wall in 10 days; Rani & Preity can take 14 days to build the same wall; and Kajol and… Read More

What is the angle between the hour and minute hand when it is 4:20? (A) 10 (B) 20 (C) 30 (D) 40 Answer: (A) Explanation:… Read More

What is rank of a matrix? Rank of a matrix A of size M x N is defined as (a) Maximum number of linearly independent column vectors… Read More

In an examination, 45% of total students failed in Hindi, 35% failed in English and 30% in both. The percentage of these who passed in… Read More

If we increase the price of a laptop by 30%, their sale will decreases by 20%. What would be the effect on the revenue receipts of the… Read More

If we increase the radius of a sphere by 40%. What would be the effective increase in surface area ? (A) 96% (B) 100% (C) 196%… Read More

What was the day of the week on January 2,1876 (A) Sunday (B) Monday (C) Tuesday (D) Wednesday Answer: (A) Explanation: Quiz of this QuestionPlease comment… Read More

Monica’ salary was reduced by 20%. Percentage increase to be effected to bring salary to original level = (A) 25 (B) 30 (C) 35 (D) 33… Read More

Sum of n terms of two series in A.P. are in the ratio (5n + 4) : (9n + 6) ,Find the ratio of their 13th… Read More