SAT (Stage-2) M...

A pebble is thrown vertically upwards from a bridge with an initial velocity of 4.9 m/s. It strikes the water after 2 s. The height of the bridge is

A bomb is released by a horizontally flying aeroplane. The trajectory of the bomb is a

A river is flowing at the rate of 50 km/h. A person, who can row the boat at 10 km/h, wants to reach a point just opposite on the other bank of the river. He should row

Two identical strings are stretched at tensions T_A and T_B. A tuning fork is used to set them in vibration. If A vibrates in its fundamental mode and B in its second harmonic mode, which of the following relations holds true?

A parachutist steps from an aircraft, falls freely for two seconds, and then opens his parachute. Which of the following acceleration-time (a - t) graphs best represents his downward acceleration during the first 5 seconds?

How many 3 digit numbers have their last digit as 9?

Which of the following identities should be used to factorise 9x² + 6xy + y²?

If the polynomial x³ + 2x² - 3x - 4 is divided by (x + 3), what will be the remainder?

Given that one of the zeroes of the cubic polynomial ax³ + bx² + cx + d is zero, what will be the product of the other two zeroes?

The pair of equations x = a and y = b graphically represents the lines which are

The graph of the linear equation 2x + 3y = 6 cuts the y-axis at the point

The sum of the roots of which of the following equations is 3?

Which of the following is a quadratic equation?

If 1/2 is a root of the equation x² + kx - 5/4 = 0, then the value of k is

Which term of the AP : 21, 42, 63, 84, ... is 210?