Question

1. What is square root of (2×2×3×3×7×7) ? A) 42 B) 84 C) 168 D) 336 2. If = , what is the value of 'a'? A) 4 B) 9 C) 36 D) 81 3. What is the reciprocal of (−2)−6? A) B) C) 64 D) −64 4. What is the additive inverse of ? A) 0 B) C) D) 5. Which of these expressions is the same as 63? A) 6 × 3 B) 6 + 6 + 6 C) 6 × 6 × 6 D) 3 × 3 × 3 × 3 × 3 × 3 6. Which one of these is equivalent to ? A) B) C) D) 7. If the digit at the ones place of a cube root of a certain number is 3, then what will be the digit at the ones place in its cube? A) 3 B) 7 C) 9 D) 6 8. What are those numbers which remain the same even if the digits of these numbers are reversed? A) Prime numbers B) Triangular numbers C) Fibonacci numbers D) Palindrome numbers​

Answer 1

Answer:

the square root of 2*2*3*3*7*7=2*3*7=42