Quantitative Aptitude - Arithmetic Ability Questions

If √(sec2A ­ 1) = x, then the value of x is

In these tests find the Odd figure out

Choose the odd word/letters/number/number pair from the given alternatives.

The value of x for which the expressions 7x + 13 and 13x - 7 become equal is _____

If a1-2a+b1-2b+c1-2c = 12, then 11-2a+11-2b+11-2c value is

If A is equal to 20% of B and B is equal to 25% of C; then what percent of C is equal to A?

The mean of marks secured by 50 students in division A of class X is 61, 25 students of division B is 57 and that of 50 students of division C is 55. What will be the mean of marks of the students of three divisions of Class X?

If by selling an article for Rs. 390 a shopkeeper gains 20% , then the cost is