Practice Problems on Numbers – Sum of the digits of a three digit number is 17 and sum of the squares of the digit is 109. Also when the number is subtracted by 495 the number gets reversed. Find the number
Practice Problems on Numbers – K is a 3 digit number such that the the ratio of the number to the sum of its digits is least.What is the difference between the hundreds and tens digit?
Practice Problems on Numbers – How many three digit number satisfies the following condition ?
a) When dividd by 11 or 12 leave remainder 7& 8 Respectively.
b) When divided by 33 or 24 lweave remiander 29 & 20 resp.
c) When divided by 7 or 8 leave remainder 4 in each case.
Practice Problems on Numbers – There are 200 questions in a 3 hr examination. Among these questions there are 50 mathematics problems. It is suggested that twice as much time be spent on each maths problem as for each other question. How many minutes should be spent on mathematics problems
Practice Problems on Numbers – A box contains 90 nuts each of 100 gms and 100 bolts each of 150 gms. If the entire box weighs 35.5 kg., then the weight of the empty box is
Practice Problems on Numbers – If 1 is added to the denominator of a traction, the fraction becomes 1/2. If 1 is added to the numerator of the fraction, the fraction becomes 1. The fraction is :
Practice Problems on Numbers – In the following question a number series is given which has only one wrong number. You have to find out the wrong number?
7.5 47.5 87.5 157.5 247.5 357.5 487.5
Practice Problems on Numbers – Find the number which when multiplied by 15 is increased by 196.
Practice Problems on Numbers – If two painters can complete two rooms in two hours, how many painters would it take to do 18 rooms in 6 hours?
Practice Problems on Numbers – x and y are integers
x + y < 11 , and x > 6
What is the smallest possible value of x – y ?
Practice Problems on Numbers – The total weight of a tin and the cookies it contains is 2 pounds. After ¾ of the cookies are eaten, the tin and the remaining cookies weigh 0.8 pounds. What is the weight of the empty tin in pounds?
Practice Problems on Numbers – The difference between a two-digit number and the number obtained by interchanging the two digits is 63. Which is the smaller of the two numbers ?
Practice Problems on Numbers – The product of three consecutive even numbers when divided by 8 is 720. The product of their square roots is :
Practice Problems on Numbers – There are two numbers such that the sum of twice the first and thrice the second is 39, while the sum of thrice the first, and twice the second is 36. The larger of the two is :
Practice Problems on Numbers – The sum of the squares of two numbers is 3341 and the diference of their squares is 891. The numbers are :