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Can anyone explain how this works ??

You have 20 blue balls and 14 red balls in a bag. You put your hand in and remove 2 at a time. If they’re of the same color, you add a blue ball to the bag. ...

• Sahil
• 868 Views
• 0 Answers

Bankers discount quantative question

The bankers discount and the true discount of a sum at 10% per annum simple interest for the same time are Rs.100 and Rs.80 respectively. What is the sum and the time? A. Sum = Rs ...

• Khushboo
• 422 Views
• 0 Answers

(23)^3 + (24)^3 + (25)^3 + (26)^3 + (27)^3 ?

Find the last two digit of (23)^3 + (24)^3 + (25)^3 + (26)^3 + (27)^3 ? What are the different approachs to solve this question ?

• Surya
• 478 Views
• 0 Answers

Find the next letter in the below series

Help me to find the next letter in the below series. H,A,H,L,U,?

• Arunkumar
• 1198 Views
• 0 Answers

Which is the best platform for aptitude and reasoning learning ?

Suggest the site and ways to imporve the skills in quantitative aptitude

• Lakshmi
• 550 Views
• 0 Answers

Fresh grapes dry grapes

1 kg of fresh grapes contain 99 % water. However when it was kept in the sun some water evapourated. As a result now the proportion of the water in the fresh grapes reduces to 98 % ...

• P
• 236 Views
• 2 Answers

boats and streams question-RBI grade b 2017

A boat goes upstream 60 Km and downstream 60 km in 5 hours 30 mins, and 40 km upstream and 40 downstream in 3 hours 40 mins. What is the speed of the boat in still water?

• Abhik
• 1642 Views
• 2 Answers

Solve ASAP

There were 5 friends A,B,C,D and E playing a card game. All of them had some money along with them. In the game one who loose will double the money of others. They played five roun ...

• Shyam
• 665 Views
• 3 Answers

Effective percentage problem ?

Arunima sells an item to bhusan at 25% profit.bhusan sells it to charu at 18% profit and charu sells it to divya at Rs 432 profit. the difference between the cost price of Divya an ...

• Shubham
• 2631 Views
• 3 Answers

basic calculations and approximation problems

approximation and basic calculations problems in moderate mode i also want some number series problems,quadratic equation problems

• Sairamakiran
• 955 Views
• 3 Answers

PROBABITITY OF LETTERS INTO THE ENVELOPES

WHEN 6 LETTERS ARE PLACED INTO THE CORRESPONDING 6 ADDRESSES ENVELOPES THE PROBABILITY THAT EXACTLY FIVE LETTERS ARE PLACED INTO THE CORRESPONDING ENVELOPES IS ...

• Abhishek
• 889 Views
• 3 Answers

I am always confused for a question despite knowing the formula..

A man sold two chairs,one at 20% gain and another at 20% loss.Find his overall loss or gain percent. I know the formula but when i use the basic maths principle I get no loss no p ...

• Chandan
• 264 Views
• 3 Answers

Ratios and proportions problems

rohan and sohan had certain amount of money.the ratio of the amounts with them is 8:5 .each day rohan spends a certain amount and sohan earns one -sixth of the amount that rohan sp ...

• Charitha
• 12009 Views
• 3 Answers

Average income problem solving question

The average monthly income of A and B is Rs. 5050. The average monthly income of B and C is Rs. 6250 and the average monthly income of A and C is Rs. 5200. What is the monthly inco ...

• Khushboo
• 5324 Views
• 3 Answers

What is the remainder when 38^42 is divided by 10? And how

What is the remainder when 38^42 is divided by 10? And how I got two answers of this one is 24 by seperate then divide then fermat little therom and other is 4 by concept of cycl ...

• Abby
• 2889 Views
• 3 Answers

conversion of base into another form

In base 8,the greatest four digit perfect square is: (a)9801 (b)1024 (c)8701 (d)7601

• Suparth
• 4783 Views
• 4 Answers

5,21,47,91,(?),265,411 Find a number replacing (?) in the series.

5,21,47,91,(?),265,411 Find a number replacing (?) in the series.

• Aparna
• 2610 Views
• 5 Answers

Percentage

Less than or more than easy concept send me

• Ravi
• 344 Views
• 5 Answers

How to become an expert on solving quantitative aptitude?

I need to get placed on core company.please help. I'm always alone.I have no friends even false friends.Because I hate them.So I always ask on internet for help.please help me

• Sundar
• 2483 Views
• 5 Answers

find the percentage difference between A' and B'.

if A is 19% less than B, B' is 9% less than B, A' is 11.11% less than A then by what percent A' is less than B'.

• Manoj
• 605 Views
• 5 Answers