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... View Article
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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... 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... 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 =... 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... View Article
1m3 = _________ cm3.
1m3 = 1000000 cm3 Explanation We know that, 1m = 100cm Hence 1m3 = 1000000 cm3
1m2 = _________ cm2.
1m2 = 10000cm2 Explanation We know that, 1m = 100cm Hence 1m2 = 10000 cm2
The cube of 100 will have _________ zeroes.
The cube of 100 will have 6 zeroes. Explanation = 1003 = 100 × 100 × 100 = 1000000 Hence 1000000... 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
The square of 5.5 is _________.
The square of 5.5 is 30.25. Explanation 5.52 = 5.5 × 5.5 = 30.25
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... 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... 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
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... 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 ×... 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... 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 =... 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... 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... View Article
A perfect square number having n digits where n is even will have square root with (a) n + 1 digit (b) n/2 digit (c) n/3 digit (d) (n + 1)/2 digit
The correct answer is (b) n/2 digit Explanation Let us consider an example 36 is a perfect square and it... View Article
