ONLINE QUIZ -01 REAL NUMBERS CLASS -10 BY- N B AGRAWAL, PRINCIPAL KV JAWAHAR NAGAR

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NAME OF STUDENT *

CLASS AND SCHOOL NAME *

EMAIL / WHATS APP NO

For any positive integer a and 5, there exist unique integers q and r such that a = 5q + r, where r must satisfy *

1 point

1 < r < 5

0 ≤ r < 5

0 < r < 5

0 < r ≤ 5

A sweetseller has 240 kaju barfis and 130 badam barfis. She wants to stack them in such a way that each stack has the same number, and they take up the least area of the tray. What is the number of that can be placed in each stack for this purpose?

1 point

Clear selection

1 point

Option 1

Option 2

Option 3

Option 4

Consider the numbers 4n, where n is a natural number. For what value of n if any for which 4n ends with the digit zero. *

1 point

no value of n possible.

Given that HCF (30, 54) =6, find LCM (30, 54) *

1 point

270

none of these

State which the following statement /s is / are true ? (A)the sum or difference of a rational and an irrational number is irrational (B) the product and quotient of a non-zero rational and irrational number is irrational. *

1 point

A ONLY

B ONLY

BOTH A AND B

NEITHER A NOR B

For some integer m, every odd integer is of the form

1 point

2m+1

m+1

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The product of a non-zero number and an irrational number is: *

1 point

always irrational

always rational

rational or irrational

one

The largest number which divides 70 and 125, leaving remainders 5 and 8, respectively, is *

1 point

875

none of these

The least number that is divisible by all the numbers from 1 to 10 (both inclusive) is

1 point

100

2010

2560

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