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Earn 100
In , I was as old as the number formed by the last two digits of my year of birth. Find the date of birth of my father, if he is years older to me.
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Important Questions on Review Tests - Block I
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Find the total number of integral solutions of the equation , where is a three-digit number.
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Find the digit at the ten’s place of the number .
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Raju went to a shop to buy a certain number of pens and pencils. Raju calculated the amount payable to the shopkeeper and offered that amount to him. Raju was surprised when the shopkeeper returned him as balance. When he came back home, he realised that the shopkeeper had actually transposed the number of pens with the number of pencils. Which of the following is certainly an invalid statement?
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HCF of and is . What is the correct relation between and ?
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In ancient India, to years of age was called Brahmawastha and to was called Grahastha. I am in Grahastha and my younger brother is also in Grahastha such as the difference in our ages is years and both of our ages are prime numbers. Also, twice my brother’s age is more than my age. Find the sum of our ages.
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Volume of a cube with integral sides is the same as the area of a square with integral sides. Which of these can be the volume of the cube formed by using the square and its replicas as the faces?
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Let be a two-digit number and be another two- digit number formed by reversing the digits of . If (Product of digits of the number ) , then what is the sum of the digits of ?
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When a two-digit number is divided by the sum of its digits, the result is . Find the minimum possible value of .
