Tags Class 12th

Class 12th

Get insights from 11.9k questions on Class 12th, answered by students, alumni, and experts. You may also ask and answer any question you like about Class 12th

Follow Ask Question

11.9k

Questions

Discussions

Active Users

Followers

New answer posted

10 months ago

Class 12th Quantitative Aptitude Prep Tips for MBA

If P : Q = 3 : 8, Q : R = 5 : 4 and R : S = 16 : 15, then what is the ratio of P : S?

0 Follower 1 View

Payal Gupta

Contributor-Level 10

P/Q *Q/R * R/S = 3/8 * 5/4 * 16/15

P/S =1/2

0 0

New answer posted

10 months ago

Class 12th Quantitative Aptitude Prep Tips for MBA

Ratio of first, second and third number is 3 : 5 : 11 respectively. Difference between third number and first number is 1152, then what will be the sum of second and third number?

0 Follower 1 View

Payal Gupta

Contributor-Level 10

11x– 3x = 8x = 1152

x = 144

(II+ III) = 5x + 11x = 16x

= 2304

0 0

New answer posted

10 months ago

Class 12th Quantitative Aptitude Prep Tips for MBA

A bottle is sold at a profit of 35%. If selling price of the bottle becomes three times, then what will be the profit percentage?

0 Follower 1 View

Payal Gupta

Contributor-Level 10

Let CP = 100

SP = 135

Profit % = 305/100*100

= 305%

0 0

New answer posted

10 months ago

Class 12th Quantitative Aptitude Prep Tips for MBA

Selling price of 15 Apple is equal to cost price of 21 apple. What will be the profit percentage?

0 Follower 1 View

Payal Gupta

Contributor-Level 10

15 SP = 21 CP

SP/CP = 1.4

So, profit percentage = 40%

0 0

New answer posted

10 months ago

Class 12th Quantitative Aptitude Prep Tips for MBA

If diagonal of a square is increased by 60%, then what will be percentage increase in the area of the square?

0 Follower 1 View

Payal Gupta

Contributor-Level 10

New area = 1.6*1.6* diagonal area

= 2.56* original area

So, area increased by 156%

0 0

New answer posted

10 months ago

Class 12th Quantitative Aptitude Prep Tips for MBA

What is the single percentage change equivalent to two percentage decreases of 20% and 40%?

0 Follower 1 View

Payal Gupta

Contributor-Level 10

Net % change = – 20 – 40 + $\frac{20 * 40}{100}$ = – 52

So, 52% decrease

0 0

New answer posted

10 months ago

Class 12th Quantitative Aptitude Prep Tips for MBA

The compound interest earned on sum in the 6^thyear and 7^thyear are Rs. 1250 and Rs. 1450 repectively. What is the rate of interest per annum (compounded annually)?

0 Follower 2 Views

Payal Gupta

Contributor-Level 10

CI₇– CI₆= 1450 – 1250

= Rs. 200

Rate of interest = (200/1250*100)

=16% per annum

0 0

New answer posted

10 months ago

Class 12th Quantitative Aptitude Prep Tips for MBA

The compounds interest earned in the 5^th year is Rs. 900. If the rate of interest in 25% and interest is compounded annually, then what will be the compound interest (in Rs.) earned in the 6^thyear?

0 Follower 2 Views

Payal Gupta

Contributor-Level 10

CI 6^thyear = CI 5^th year * 1.25

= 900*1.25

= Rs. 1125

0 0

New answer posted

10 months ago

Class 12th Quantitative Aptitude Prep Tips for MBA

Two trains of length 640 metres and 480 metres are moving with the speed of 234 km/hr and 144 km/hr respectively. If both train are moving in the same distance, then in how much time will the faster train can cross the slower train?

0 Follower 2 Views

Payal Gupta

Contributor-Level 10

Difference between the speed = 90 km/hr

= 90*5/18 = 25 m/s

Time taken = (640 + 480)/25

= 44.8 seconds

0 0

New answer posted

10 months ago

Class 12th Quantitative Aptitude Prep Tips for MBA

A train is moving at the speed of 72 km/hr can cross a platform in 73 seconds. If the length of this train is 420, metres then what will be the length of platform?

0 Follower 1 View

Payal Gupta

Contributor-Level 10

Sum of length = (72*5/18)*73

=1460 m

Length of platform = 1460 – 422

= 1040 m

0 0

Get authentic answers from experts, students and alumni that you won't find anywhere else

On Shiksha, get access to

66k Colleges
1.2k Exams
703k Reviews
1850k Answers

Community GuidelinesUser Points System

QuestionsDiscussionsTags

Need guidance on career and education? Ask our experts

Your Question

Class 12th

Questions

Discussions

Active Users

Followers

All

Discussions

Unanswered Questions

Share Your College Life Experience