131. The numerator and denominator of a fraction are in the ratio 3 : 4. If 9 is subtracted from the numerator, the resulting fraction in $$\frac{2}{3}$$ of the original fraction. The numerator of the original fraction is
132. a, b, c and d are negative integers. If ab + ac + ad = 0 then a × b × c × d is always
133. Which one of the following is not a prime number?
134. (112 × 54) = ?
135. It is being given that (232 + 1) is completely divisible by a whole number. Which of the following numbers is completely divisible by this number?
136. What least number must be added to 1056, so that the sum is completely divisible by 23 ?
137. 1397 x 1397 = ?
138. How many of the following numbers are divisible by 132 ?
264, 396, 462, 792, 968, 2178, 5184, 6336
264, 396, 462, 792, 968, 2178, 5184, 6336
139. (935421 x 625) = ?
140. The largest 4 digit number exactly divisible by 88 is:
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