Question Detail

A number when divided by the sum of 555 and 445 gives two times their difference as quotient and 30 as remainder. The number is

  • 22030
  • 220030
  • 23030
  • 24030

Answer: Option B

Explanation:

(555 + 445) * 2 * 110 + 30 = 220000 + 30 = 220030
Similar Questions :

1. 7589 - X = 3434

  • 4155
  • 2321
  • 3155
  • None of above

Answer: Option A

2. What is the unit digit in
\begin{aligned}
(6324)^{1797} \times (615)^{316} \times (341)^{476}
\end{aligned}

  • 1
  • 5
  • 7
  • 0

Answer: Option D

3. What least value should be replaced by * in 223*431 so the number become divisible by 9

  • 3
  • 4
  • 5
  • 6

Answer: Option A

Explanation:

Trick: Number is divisible by 9, if sum of all digits is divisible by 9, so (2+2+3+*+4+3+1) = 15+* should be divisible by 9,
15+3 will be divisible by 9,
so that least number is 3.

4. What least number must be subtracted from 427398 so that remaining number is divisible by 15

  • 3
  • 5
  • 7
  • 9

Answer: Option A

Explanation:

On dividing 427398 by 15 we get the remainder 3, so 3 should be subtracted

5. Simplify (212 * 212 + 312 * 312 )

  • 132288
  • 142088
  • 142188
  • 142288

Answer: Option D

Explanation:

Trick: Above equation can be solved by using following formula
\begin{aligned}
(a^2 + b^2) = \frac{1}{2}((a+b)^2 + (a-b)^2)
\end{aligned}

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