12. The sum of two consecutive integers is 139 . find the integers.
13. Pooja ‘s monthly income increased from Rs 25,000 to Rs 30,000. Find the
percentage increases in her monthly income.
14. The cost of a book was Rs 300 if Mridul sold at for Rs 270 ,find his profit or loss
percent increased in deal.
15. A retailer sells a pack of T-shirt for Rs 1200 and suffers a loss of Rs 200. Find his loss
percent.
16. The marked price of a book is Rs 360 Priya bought it for Rs 306 .what percent of
discount did Priya get.
17. Rs 10,000 is deposited at the rate of 8% per annum simple interest for 2 years find
the simple interest at the end of 2 years.
18. If two complementary angles are in the ratio 4:5 find the angles.
19. Can a triangle have two right angles if yes then why if no, then why not give reason.
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Answer:
12. 69 and 70
Step-by-step explanation:
x+x+1=139
2x+1=139
2x=138
x=138/2
= 69
13. 83%
14. Loss = 30
16.306/360 × 100
17.
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