Q251: 7² + 3² = ______?
Q252: Which of these is prime number? 39, 21, 27, 31
Q253: Square root of 1024 is ______?
Q254: Simplify: 6-3(2x+4) = 0?
Q255: 15% of 250 is _____?
Q256: What is y-intercept of the line y = -3x + 7?
Q257: If a bus covers 240 km in 3 hours, what is its average speed in km/hr?
Q258: Which is not a Pythagorean triple? (7,9,6), (3,4,5), (5,12,13), (6,8,10)
Q259: If two angles in a triangle are 45° and 55°, what is the third angle?
Q260: Solve: If x+y=10 and x-y=2 then x = ____?