Page 39 - Start Up Mathematics_4

(e) L TTh Th H T O (f) L TTh Th H T O

1 0 5 0 3 2 8 7 5 0 6 1
2 6 7 9 1 4 4 2 8 9

+ 3 1 0 5 7 8 + 3 5

(g) TTh Th H T O (h) TTh Th H T O

9 4 3 1 2 5 8 7 6 4

6 8 7 1 0 2 5

+ 4 9 + 8 8

2. Find the missing digits.

(a) TTh Th H T O (b) L TTh Th H T O
? 4 ? 6 ? 2 7 ? 4 ? 2

+ 1 ? 6 ? 8 + ? 6 4 ? 9 ?

3 7 2 0 1 8 ? 3 2 4 8

(c) TTh Th H T O (d) L TTh Th H T O
3 ? 7 ? 2 ? 6 3 ? ? 5

? 5 3 4 ? 2 ? 4 7 0 ?

+ 2 1 ? 6 8 + 3 2 ? 0 8 1

7 9 6 2 5 7 0 1 6 2 9

3. Solve the following word problems.
(a) A manufacturer sold 23,650 kg of sugar to shopkeeper A; 51,173 kg of sugar to
shopkeeper B and 60,850 kg of sugar to shopkeeper C. How much sugar did the
manufacturer sell in all?
(b) A businessman buys two cars for his office. Car A costs ` 3,75,496 and car B costs
` 4,50,675. How much does the businessman pay for both the cars?
(c) The population of a city was 5,34,296 in the year 2010. It increased by 45,125 in
the year 2011. What was the population of the city in the year 2011?

(d) Poonam’s annual income was ` 6,42,970 in the year 2011. She got an annual
increment of ` 1,00,550 in the year 2012. What was her annual income in the year
2012?

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