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√(1.96) = _________.

√(1.96) = 1.4 Explanation = √(1.96) = √(196/100) = √((14 × 14)/(10 × 10)) = √(142 /... View Article

The sides of a right triangle whose hypotenuse is 17cm are _ and _.

The sides of a right triangle whose hypotenuse is 17cm are 8cm and 15cm. Explanation We know that for every natural number m > 1, 2m,... View Article

The digit at the ones place of 57² is _________.

The digit at the ones place of 572 is 9. Explanation The digit at the ones place of 572 is 9. From the properties of square numbers... View Article

The sum of first six odd natural numbers is _________.

The sum of first six odd natural numbers is 36. Explanation The sum of first six odd natural numbers is 36. The first six odd numbers are 1,... View Article

The square of 0.7 is _________.

The square of 0.7 is 0.49. Explanation The square of 0.7 is 0.49. = 0.72 = 0.7 × 0.7 = 0.49... View Article

Ones digit in the cube of 38 is _________.

Ones digit in the cube of 38 is 2. Explanation 38 × 38 × 38 = 54,872 Hence ones digit in the cube of 38 is 2.... View Article

1m³ = _________ cm³.

1m3 = 1000000 cm3 Explanation We know that, 1m = 100cm Hence 1m3 = 1000000 cm3... View Article

1m² = _________ cm².

1m2 = 10000cm2 Explanation We know that, 1m = 100cm Hence 1m2 = 10000 cm2... View Article

The cube of 100 will have _________ zeroes.

The cube of 100 will have 6 zeroes. Explanation = 1003 = 100 × 100 × 100 = 1000000 Hence 1000000 has 6 zeros The cube of... View Article

The square root of 5.3 × 5.3 is _________.

The square root of 5.3 × 5.3 is 5.3. Explanation = √(5.3 × 5.3) = √(28.09) = 5.3... View Article

The square of 5.5 is _________.

The square of 5.5 is 30.25. Explanation 5.52 = 5.5 × 5.5 = 30.25... View Article

The square root of 24025 will have _________ digits.

The square root of 24025 will have 3 digits. Explanation If a perfect square has ‘n’ digits where n is odd, its square root has (n... View Article

There are _________ natural numbers between n² and (n + 1)²

There are 2n natural numbers between n2 and (n + 1)2. Explanation Let us choose two consecutive perfect square numbers. 12 and 22... View Article

The square of 500 will have _________ zeroes.

The square of 500 will have 4 zeroes. Explanation 5002 = 500 × 500 = 25000 Hence 25000 has 4 zeros... View Article

The units digit in the square of 1294 is _________.

The units digit in the square of 1294 is 6. Explanation From the properties of square numbers we know that a number ends with 4 or 6, then its... View Article

There are _________ perfect cubes between 1 and 1000.

There are 8 perfect cubes between 1 and 1000. Explanation The cubes between 1 and 1000 are listed below 2 × 2 × 2 = 8 3... View Article

There are _________ perfect squares between 1 and 100.

There are 8 perfect squares between 1 and 100. Explanation The square between 1 and 100 are listed below 2 × 2 = 4 3 × 3 = 9 4... View Article

Given that √4096 = 64, the value of √4096 + √40.96 is (a) 74 (b) 60.4 (c) 64.4 (d) 70.4

The correct answer is (d) 70.4 Explanation √4096 = 64 the value of √4096 + √40.96 √4096 + √40.96 = 64 +... View Article

The value of √(248 + √(52 + √144)) is (a) 14 (b) 12 (c) 16 (d) 13

The correct answer is (c) 16 Explanation √(248 + √(52 + √144)) = √(248 + √(52 + 12)) = √(248 + √(64)) =... View Article

If m is the cube root of n, then n is (a) m3 (b) √m (c) m/3 (d) 3√m

The correct answer is (a) m3 Explanation 3√n = m n = m3 Let us consider an example 63= 216 216 is a perfect cube Hence 3√216=6... View Article