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This document contains 10 math word problems with explanations of the solutions. The problems cover a range of math concepts including ratios, percentages, word problems involving age, finding values based on given sums/products, and coin problems. The explanations clearly show the step-by-step work and reasoning used to arrive at each solution.

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Shubham Kaklij
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893 views2 pages

Interview

This document contains 10 math word problems with explanations of the solutions. The problems cover a range of math concepts including ratios, percentages, word problems involving age, finding values based on given sums/products, and coin problems. The explanations clearly show the step-by-step work and reasoning used to arrive at each solution.

Uploaded by

Shubham Kaklij
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as TXT, PDF, TXT or read online on Scribd
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part 1

Q.1- 2,4,8,16,32,...
Ans- 2,4,8,16,32,64,128,256....
Explanation- Previous no.multiple by 2

Q.2.-2,5,11,23,47,...
Ans- 2,5,11,23,47,95,191,383..
Explanation- Difference between first two no.= 2*diff.between previous two no.

Q.3.-ACE,BDF,CEG,DFH,...
Ans- ACE,BDF,CEG,DFH,EGI,FHJ,GIK,...
Explanation- Alphabetical series

Q.4.-If 12:4 = x:20, what is the value of x?


Ans- x=60
Explanation- (12:4=3:1 i.e.60:20)

Q.5.-A shop is offering a discount of 20% on all its goods. If the MRP is Rs 300,
what is the discounted price?
Ans- Rs. 240
Explanation-
original price discounted price
100 % 80 %
300 X

100% * X = 80% * 300


X= Rs. 240

Q.6.-The present age of Vikram is 3 times his age 10 years ago. What is the present
age of Vikram?
Ans.-the present age of Vikram is 15 years.His age 10 years ago is 5 years.
Explanation-
X * 3 = X-10
3X-X+10=0
X=5

Q.7.-If the sum of two numbers is 55 and the HCFand LCM of these numbers are 5 and
120 respectively, then what are the two numbers?
Ans.- 15 And 40
Explanation- Sum of the no. is 55 i.e. 15 + 40= 55.

Q.8.- The price of 10 chairs is equal to that of 4 tables. The price of 15 chairs
and 2 tables together is Rs. 4000. What is the total price of 12 chairs and 3
tables?
Ans.- Rs.3900
Explanation- Price of one chair is Rs.200 and one table is Rs. 500

Q.9.- Bill and Bob together have Rs. 2420. IfBill's amount is equal to3times Bob's
amount, how much amount does Bob have?
Ans.-Bob have Rs.605 and Bill have Rs. 1815
Explanation-
Bob + Bill = 2420
X + Y = 2420
3X = Y
3X + X =2420
4X = 2420
X = Rs. 605
and Y = Rs. 1815
Q.10.- In a bag, there are coins of 10 p and 5 p in the ratio of 1 : 2. If there is
Rs. 30 in all, how many 10p coins are there?
Ans- There are 10 p=150 coins and 300 coins of 5 p
Explanation- 10 p * 150 = 1500 p
5 p * 300 = 1500 p
1500 p + 1500 P = 3000 p
100 p = 1 Rs.
3000 p / 100 =Rs. 30

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