Find the sum of factors of 480.1). 11222). 14123). 15124). 1000
Factors of 480 = 25 × 3 × 5
Sum of Factors = (20 + 21 + 22 + 23 + 24 + 25) × (30 + 31) × (50 + 51)
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1. In a division sum, the divisor is 10 times the quotient and 5 times the remainder. If the remainder is 46, the dividend is:
2. Which choice provides the answer in the following : If 2 * 3 = 36, 5 * 4 = 400, 6 * 2 = 144, 3 * 3 = 81; then, 5 * 5 = ?
3. If x = \(\sqrt {a\sqrt[3]{{b\sqrt {a\sqrt[3]{{b \ldots \ldots \ldots \ldots \ldots \ldots .\infty }}} }}}\) then the value of x is
4. Look at this series: 5.2, 4.8, 4.4, 4, ... What number should come next?
5. {(742)² ÷ 36} ÷ 2 = ?
6. In a 150-litre mixture of milk and water, the percentage of milk is 84%. How much water should be added so that the percentage of milk becomes 52.5% ?
7. Find the greatest number that will divide 115, 149 and 183 leaving remainders 3, 5, 7 respectively.
8. If (x + a) is the H.C.F of 2x2 + 5x – 12 and x2 + x – 12 then find thevalue of a.
9. Which of the following statement(s) is/are TRUE? I. \(\sqrt {324} + \sqrt {3.24} + \sqrt {0.0324} = 19.98\) II. \(\sqrt {129 + \sqrt {121} + \sqrt {361} + \sqrt {100} } = 13\)
10. On dividing number by 5, we get 3 as remainder. What will be the remainder when the square of this number is divided by 5?
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