Home›UPSC Prelims›Paper 2: General Studies II (CSAT)›Civil Services Aptitude Test (CSAT)›Basic Numeracy & Data Interpretation›There are some balls of red, green and yellow colour lying on a

There are some balls of red, green and yellow colour lying on a table. There are as many red balls as there are yellow balls. There are twice as many yellow balls as there are green ones. The number of red balls

20132Mprelimsupscyear-2013p2csatquantitative-abilitylinear-equation
A.is equal to the sum of yellow and green balls.
B.is double the number of green balls.Correct
C.is equal to yellow balls minus green balls.
D.cannot be ascertained.
Explanation & Solution

Correct Option: (B) is double the number of green balls.

Let green balls = x. Then yellow balls = 2x (twice of green), and red balls = 2x (equal to yellow). Therefore red balls are double of green balls.

हिंदी में प्रश्न एवं आदर्श उत्तर

There are some balls of red, green and yellow colour lying on a table. There are as many red balls as there are yellow balls. There are twice as many yellow balls as there are green ones. The number of red balls

A.is equal to the sum of yellow and green balls.
B.is double the number of green balls.सही
C.is equal to yellow balls minus green balls.
D.cannot be ascertained.

सही उत्तर: (B) is double the number of green balls.

Let green balls = x. Then yellow balls = 2x (twice of green), and red balls = 2x (equal to yellow). Therefore red balls are double of green balls.

See this question in context →
Free Android App

Practice Better on the StatePYQ Mobile App

⚡ Error Diary · ⏱ Timed Mains Answer Pacer · 📴 Offline Revision Vault

Get it onGoogle Play