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LIC/SBI: Quadratic & Arithmetic Quiz: 20.04.2019

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Question 1

Direction: In the following question, there are two equations. Solve the equations and answer accordingly.
I. 13x3 + 192x2 + 525x = 4x3 + 22x2
II. 7y2 – 33y – 112 = 0

Question 2

Direction: In the following question three  equations numbered I, II and III are given. Solve the equations and choose the correct answer.

I. x2 + (6)3/2 = (61/2 + 6)x
II. y13 -  = 0

Question 3

Direction: In the following question, there are two equations. Solve the equations and answer accordingly.
I. 30xy + 1 = 6x + 5y
II. 7 + 5xy – 5x – 7y = 0

Question 4

Directions: In the following questions, two equations numbered I and II are given. You have to solve both the equations and give answer if
I. x2 – 19x + 84 = 0
II. y2 – 25y + 156 = 0

Question 5

Directions: In the following questions, two equations numbered I and II are given. You have to solve both the equations and give answer.
I. x2 – 20x + 91 = 0
II. y2 = 169

Question 6

There are total 96 entries of different classes i.e. cooking C, stitching S and yoga Y. if the sum of the daily fees of all entries of cooking C, stitching S and yoga Y is Rs. 20800. The sum of one day fees of cooking C, stitching S and yoga Yare in the ratio of 30: 16: 6 respectively. And the one day fee for each cooking C, stitching S and yoga Y are in the ratio of 10: 8: 2 respectively. Find the monthly fees(30 days) of all the entries of Stitching S

Question 7

Eena, Meena and Beena were born in three consecutive years. The product of their ages 10 years ago was 1320. What is the sum of their ages today?

Question 8

The MRP of a product is 55% above its CP. The product is sold through a retailer, who earns 23% profit on his purchase price. What is the profit percentage for the manufacturer who sells his product to the retailer? The retailer gives 10% discount on MRP.

Question 9

Andrew borrowed a certain sum from Marcel at a certain rate of simple interest for 2 years. He lent this sum to Sam at the same rate of interest compounded annually for the 2 years. At the end of two years, he received Rs 3200 as a compound interest but paid Rs. 2600 only as simple interest. Find the rate of interest?

Question 10

The average marks of three students A, B and C is 85. Another student D enters the group of these three, then the average of the marks become 80. Now, a student E, whose marks are 4 more than D, replaces B and the average of A, C, D and E becomes 78. What is the marks of B?
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