# Multiplication - examples - page 15

1. Prize
How many ways can be rewarded 9 participants with the first, second and third prize in a sports competition?
2. Ratio - proportion
Reduce the number 16 in proportion 3:2 5:4 11:8
3. Price increase 2x
If two consecutive times we increase the price of the product by 20%, how many % is higher final price than the original?
4. Rolls
Mom every day buys 6 rolls. On Friday buys 2 times as much. How many rolls buys on Friday?
5. Pie
Vili ate three pieces of pie . If it piece is 1/8 how much pie did he eat?
6. Multiples
Find all multiples of 10 that are larger than 136 and smaller than 214.
7. Warmer weather
This morning it was -6 °C. What temperature did the thermometer show yesterday if it was three times warmer?
8. Evaluate expression
Evaluate expression using BODMAS rule: 1 1/4+1 1/5÷3/5-5/8
9. Notebooks
Liza a store owner buys 560 notebooks. He sold 3/8 of the notebook then she adds the stocks of notebook of 1/4 of the number of notebooks she bought. What is the total number of notebook she bought?
10. Brackets 2
Add parenthesis to make true: 5-2×6-4+2=5
11. Pins 2
how many different possible 4 digits pins can be found on the 10-digit keypad?
12. Dinosaurs
More than 30 and less than 60 dinosaurs have met at the pond. A quarter of them bathed and 1/7 saws and the rest gripped. How many were at the pond? How many were there?
13. Rate or interest
At what rate percent will Rs.2000 amount to Rs.2315.25 in 3 years at compound interest?
14. Barrels
Peter has 42 barrels. One-sixth of them are filled with lemonade, one third is filled with wine and half is empty. Calculate how many barrels are with each filling.
15. Water tank
In an empty fire tank, 2150 hl of water jetted in 5 hours. How many hectoliters of water was jetted every hour? How many hectoliters of water was in the tank after three hours?
16. Dinning room
How many different combinations can we choose if there are 3 soups, 5 kinds of main dish and 2 desserts in the dining room?
17. Tailor 5
A tailor uses 13/4m of cloth to stitch a skirt. How many metres of cloth is needed to stitch 16 skirts?
18. The square
The square root of 25 times the square root of 81 is what number?
19. What is
What is the value of the smaller of a pair of numbers for which their sum is 78 and their division quotients are 0.3?
20. Icecreams
Karthik bought 30 icecreams for his birthday .2/5 of them are chocolate icecreams. Find the number of chocolate icecreams he bought?

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