SAT (Stage-1) M...

Find the value of 

.

If x = 2 + √3 and y = 2 – √3, then the value of 1/x + 1/y is

Find the largest number among 4^1/4, , and √2.

The salary of B is 10% more than the salary of A, the salary of C is 10% more than the salary of B, and the salary of D is 10% more than the salary of C. The total salary of A and D is Rs. 2100 more than that of B and C. What is the salary of B?

What is the area of the shaded portion in the given figure?

Find the area of the shaded region in the following figure.

On dividing x⁴ + 2x² - 3x + 7 by a polynomial g(x), the quotient and the remainder were x² + 5 and -3x + 22, respectively. The polynomial g(x) was

A tradesman marks an article at a price which would give him a profit of 20% on the cost price. To the favoured customers, he makes a deduction of 5% from the marked price. What actual profit does he receive from the sale of an article to a favoured customer for which the latter pays him $28.50?

What profit will be made by selling an article at a certain price, if there is a loss of 10% incurred by selling it at 2/3 of that price?

The ratio of apples to mangoes is 5 : 9. If 35 mangoes are sold, then the ratio becomes 10 : 11. Find the number of apples.

Find the rate percent of the simple interest per annum if the sum borrowed becomes double in 5 years.

The slant height of a cone is increased by k%. If radius remains the same, the curved surface area will be increased by

The radius of a sphere is increased by k%. Its surface area increases by

A man can row 18 km/hr in still water. The time taken by him to go upstream is twice the time taken by him to come downstream. Find the speed of the stream.

The sum of the first n terms, the first term and the common difference of an AP are 418, 13 and 5, respectively. What is the value of n?