At what rate of compound interest per annum will a sum of rs.1200 becomes rs.1348.32 in 2 years
rate=r%
1200 (1+r/100)^2=1348.32
r=6%
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A can run 22.5 m while B runs 25 m. In a kilometre race B beats A by:
When B runs 25 m, A runs 45/2 m
When B runs 1000 m, A runs (45/2*1/25*1000)m = 900 m.
B beats A by 100 m.
Fill in the blanks
sinA = _____ x cosA
Find the Odd One Out?
3 24 186 1008 5040 20160
The given number series is 3 24 186 1008 5040 20160
Here the given series follows a pattern that,
3
3 x 8 = 24
24 x 7 = 168 not 186
168 x 6 = 1008
1008 x 5 = 5040
5040 x 4 = 20160
Hence the Odd One in the number series is 186.
Given that (a2 + b2) = 60, then find the value of (a + b)2 + (a - b)2 ?
What should come in place of question mark (?) in the following question?
12.5 × 3.2 × 8.8 = ?
12.5 × 3.2 × 8.8 = 352
Find the missing number in the given number series?
5 11 21 44 ? 175
Here the given number series is 5 11 21 44 ? 175
Now the given series follows a pattern, that
x2 + 1, x2 - 1, x2 + 2, x2 - 2, x2 + 3, x2 - 3,...
Then the missing number is x2 - 2
= 44 x 2 - 2 = 88 - 2 = 86
Hence, the missing number in the number series is 86.
If 7x + 9y3x - 4y = 198, then the value of x/y is
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