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1/(1+a^(n-m)) + 1/(1+a^(m-n))...

`1/(1+a^(n-m))` + `1/(1+a^(m-n))`

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S CHAND IIT JEE FOUNDATION-POWERS AND ROOTS -UNIT TEST-1
  1. 1/(1+a^(n-m)) + 1/(1+a^(m-n))

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  2. Simplify : ((x^a)/(x^b))^(a^2+b^(2+a b))xx((x^b)/(x^c))^(b^2+c^(2+b c)...

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  3. Which one of the following is correct? The number 222222 is :

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  4. In a division operation, the divisor is 5 times the quotient and twice...

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  5. LCM of two numbers is 16 times their HCF. The sum of LCM and HCF is 85...

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  6. Find the value of sqrt((0. 289)/(0. 00121)) .

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  7. Consider the following statements : A number a(1)a(2)a(3)a(4)a(5) is...

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  8. A bell rings every 5 seconds. A second bell rings every 6 seconds and ...

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  9. if 4^x-4^(x-1)=24 then the value of (2x)^x equals:

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  10. The first twenty natural numbers from 1 to 20 are written next to each...

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  11. x, y and z are the natural numbers. Which of the following statements ...

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  12. The number of prime factors in ((1)/(6))^(12)xx(8)^(25)xx((3)/(4))^(...

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  13. The value of 2/3xx3/(5/6-:2/3\ of\ 1 1/4) is 1/2 (b) 2/3 (c) 1 (d) ...

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  14. If ((1)/(5))^(3y)=0.008, then the value of (0.25)^(y//2) will be

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  15. Simplify : [root(3)root(6)(5^(9))]^(4)[root(3)root(6)(5^(9)]]^(4)

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  16. The value of 0.1bar7 is

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  17. The least values of x and y so that 7x342y is divisible y 88 are

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  18. The total number of 8 digit numbers is

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  19. If X, Y are positive real numbers such that XgtY and A is any positive...

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  20. Assertion (A) : The number 90356294 is divisible by 4. Reason (R ) :...

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  21. Given two different prime numbers P and Q, find the number of divisors...

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