Basic Mathematics-Arithmetic (KVPY Stream-SA (Class 11) Math): Questions 69 - 72 of 83

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Question number: 69

» Basic Mathematics » Arithmetic » Rates

MCQ▾

Question

Given area four cylindrical buckets A, B, C, D whose circular bases are of radii 2, 4, 6, 8 units, respectively. Initially water is filled in these buckets up to the same height. Some water is then transferred from D to A and B so that they all three have the same volume of water. Some water is then transferred between C and B so that they both have the same volume of water. If Equation , Equation denote the heights of water at this stage in the buckets A, B respectively, then the ratio Equation equals –

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 70

» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method

MCQ▾

Question

15 men can complete a work in 6 days and 15 children take 12 days to complete a work. How many days will 5 men and 10 children take to complete the work?

Choices

Choice (4) Response

a.

12

b.

9

c.

8

d.

10

Question number: 71

» Basic Mathematics » Arithmetic » Ratio and Proportion

MCQ▾

Question

When a bucket is one-thirds full, the weight of the bucket and the water is 15 kg. When the bucket is two-thirds full, the total weight is 18 kg. What is the total weight, in kg, when the bucket is completely full?

Choices

Choice (4) Response

a.

15 kg

b.

17 kg

c.

19 kg

d.

21 kg

Question number: 72

» Basic Mathematics » Arithmetic » Rates, Speeds and Unitary Method

Appeared in Year: 2013

MCQ▾

Question

A person Equation is running around a circular track completing one round every 50 seconds. Another person Equation running in the opposite direction meets Equation every 20 second. The time, expressed in seconds, taken by Equation to complete one round is

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

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