sbi Exam Numerical Ability

It 20% is reduced from the first number, it becomes three-fourth of the second number. What is the respective ratio between first number to the second number’?

1)15:1G 2) 12:13 3)16:`15
4) Cannot be determined
5) None of these

Read Solution (Total 2)

0.8x=0.75y
x/y = 0.75/0.80= 15/16 i.e. 15:16
10 years agoHelpfull: Yes(3) No(0)

15:16
If First number=x & Second number=y, then
x-(20/100)x= (3/4)y or (4/5)x= (3/4)y so x/y=15/16
10 years agoHelpfull: Yes(0) No(1)

sbi Other Question

directions: Seven companies A, B, C, D, E, F and G are engaged in production of two items I and II. The comparative data about production of these items by seven companies is given in the following pie-chart and the table. Study them carefully and answer the questions given below. What is the ratio of the cost of production of item I by company A to the cost of production of item I by company D? Mrs. Sheela spends 18% of her
monthly income for the children's
education. She spends 32% of
her monthly income in household
expenses and 12% in travelling.
She spends .45% of the remaining
amount in gambling and manages
to save only Rs. 9,405 at
the end of the month. What is
Mrs. Sheela's monthly income ?
(1) Rs. 36,000
(2) Rs. 50,000
(3) Rs. 45,000
(4) Cannot be determined
(5) None of these