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Start learning 50% faster. Sign in nowAlternate Method :
Product =20 × 21 × 22 × ........ × 40 .
So we can find number of zeroes in 40! then we can subtract number of zeroes in 19! .
So 40/5 = 8 and 8/5 = 1 and adding all quoitent, number of zeroes = 8+1= 9;
19/5 = 3, so number of zeroes in 19! = 3.
So number of zeroes in the given product =20 × 21 × 22 × ........ × 40 = 9 - 3 = 6.
117, 117, 121, 129, 141, ?
What will be the geometric mean of 'Q' and 'P - Q'.
18, 30, 50, 102, 282, ?
16.12 × 15.94 + 654.92 – 344.83 = ?× 5.95
168, 164, 155, 139, ?, 78
15, 8, 9, 15, 32, ?
195% of 1420 + 72 × 25 =?