Anjali invested Rs.12000 in a scheme offering compound interest of x% p.a. compounded annually. If at the end of 2 years, interest received by her from the scheme is Rs.2520 then find the value of ‘x’.
According to the question, => 2520 = 12000 x [(100 + x)/100]2 – 12000 => 14520 = 1.2 x (100 + x)2 => (100 + x)2 = 12100 => x = 110 – 100 => x = 10
LCM and HCF of two numbers are respectively 3 and 18. If one of them is 9, find the other number.
Two numbers are in the ratio 4:7. The product of their H.C.F. and L.C.M. is 5488. The sum of the numbers is:
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Let x be the smallest number which when subtracted from 31560 makes the resulting number divisible by 13, 16, 25 and 30. The product of the digits of x ...
The sum of two numbers is 126 and their HCF is 14. Total number of such pairs of numbers is?