Question

Kamla had Rs 100, Rs 50 and Rs 20 notes in her purse. The ratio of the number of notes in that

order was 4: 2: 3 and the total cash with her was Rs 56000. How many notes of each denomination did she have?

Q.(34) Express the following numbers in usual form: (5)

(i) 3.02 × (ii) 1.3544 × 105

(iii) 4.5 × (iv) 3 × (v) 5.8 ×

Or

Find the following squares by using identities:

(ii) (9 + 2)

2

(iii)

Q.(35) A mixture of paint is prepared by mixing 1 part of red pigments with 8 parts of base. In the

following table, find the parts of base that need to be added. (5)

Parts of red pigment 1 4 7 12 20

Parts of base 8 ….. …... …... …...

Or

A road roller takes 750 complete revolutions to move one over to level a road. Find the area of

road if the diameter of a road roller is 84 cm and length 1 m.

Q.(36) The present ages of Seela and Sunita are in ratio 5: 4. Eight years from now, their ages will be in

the ratio 6: 5. Find their present ages. (5)

Or

Evaluate: (i) 822 + 782

(ii) 972 − 832​

Answer 1

Answer:

972-832

Step-by-step explanation:

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