Real numbers class 10

For positive integers a and 3, there exist unique integers q and r such that a = 3q + r, where r must satisfy:

• 0 ≤ r < 3

• 1 < r < 3

• 0 < r < 3

• 0 < r ≤ 3

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.8

Find the greatest number of 5 digits, that will give us remainder of 5, when divided by 8 and 9 respectively.

• 99921

• 99931

• 99941

• 99951

Tags

CCSS.HSA.APR.B.2

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

If a and b are two positive integers such that a = 14b. Find the HCF of a and b.

• a

• b

• 14b

• 14a

Tags

CCSS.6.NS.B.4

The ratio between the LCM and HCF of 5, 15, 20 is:

• 9:1

• 4:3

• 11:1

• 12:1

Tags

CCSS.6.NS.B.4

CCSS.6.RP.A.1

CCSS.6.RP.A.3

Two alarm clocks ring their alarms at regular intervals of 50 seconds and 48 seconds. If they first beep together at 12 noon, at what time will they beep again for the first time?

• 12:20

• 12:11

• 12:12

• none of these

Tags

CCSS.6.NS.B.4

What will be the least possible number of the planks, if three pieces of timber 42 m, 49 m and 63 m long have to be divided into planks of the same length?

• 20

• 21

• 22

• 23

Tags

CCSS.6.NS.B.4

Three sets of physics, chemistry and mathematics books have to be stacked in such a way that all the books are stored topic wise and the number of books in each stack is the same. The number of physics books is 192, the number of chemistry books is 240 and the number of mathematics books is 168. Determine the number of stacks of physics, chemistry and mathematics books

• 8,10,7

• 8,8,8

• 7,10,8

• 10,8,7

Tags

CCSS.6.NS.B.4

Write the HCF of smallest composite number and smallest prime number

• 1

• 2

• 3

• 4

Tags

CCSS.6.NS.B.4

The decimal expansion of the rational number  $\frac{14587}{1250}$  will terminate after

•  one decimal place 

• two decimal place 

• three decimal place 

• four decimal place 

Tags

CCSS.5.NBT.A.2

CCSS.5.NBT.A.3

CCSS.5.NF.B.3

If the HCF of 55 and 99 is expressible in the form 55m – 99, then the value of m is

• 1

• 2

• 3

• 4

Tags

CCSS.6.NS.B.4

CCSS.6.EE.B.5

CCSS.6.EE.B.6