Two numbers are respectively 20% and 50% more than a third number. The ratio of the two numbers is :__________?
A. 2 : 5
B. 3 : 5
C. 4 : 5
D. 6 : 7
Basic Arithmetic
The sum of three numbers is 98. If the ratio of the first to the second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is :__________?
A. 20
B. 30
C. 48
D. 58
The ratio of the number of boys and girls in a college is 7 : 8. If the percentage iikcrease in the number of boys and girls be 20% and 10% respectively, what will be the new ratio ?
A. 8 : 9
B. 17 : 18
C. 21 : 22
D. Cannot be determined
A surn of money is to be distributed among A, B, C, D in the proportion of 5 : 2 : 4 : 3. If C gets Rs. 1000 more than D, what is B’s share ?
A. Rs. 500
B. Rs. 1500
C. Rs. 2000
D. None of these
A two-digit number is such that the product of the digits is 8. When 18 is added to the number, then the digits are reversed. The number is :_________?
A. 18
B. 24
C. 42
D. 81
If the number obtained on interchanging the digits of a two-digit number is 18 more than the original number and the sum of the digits is 8, then what is the original number ?
A. 26
B. 35
C. 53
D. Cannot be determined
The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is :___________?
A. 20
B. 30
C. 40
D. None of these
The sum of two numbers is 25 and their differenee is 13. Find their product :
A. 104
B. 114
C. 315
D. 325
Find the number which when multiplied by 15 is increased by 196.
A. 14
B. 20
C. 26
D. 28
Three numbers are in the ratio of 3 : 4 : 6 and their product is 1944. The largest of these numbers is :___________?
A. 6
B. 12
C. 18
D. None of these