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9 questions · timed · auto-graded

Question 12 Marks
A store sells 15 boxes of cookies. Each box contains 6 chocolate chip cookies and 4 peanut butter cookies. How many cookies are there in total?
Answer
Number of chocolate chip cookies in a box = 6
Number of peanut butter cookies in a box = 4
Total number of cookies in the box = 6 + 4
Therefore, the total number of cookies in such 15 boxes = 15 × (6 + 4)
= 15 × 10
= 150 cookies.
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Question 22 Marks
Mehak bought 16 toys priced equally for ₹ 1248. The amount of ₹ 252 is still left with him. Find the cost of each toy and the amount she had.
Answer
Given,
Number of toys Mehak bought = 16 toys
Cost of 16 toys = ₹ 1248
Cost of one toy = $\frac{1248}{16}$ = ₹ 78
Amount left with him = ₹ 252
Amount she gave = ₹ 1248
Amount she had initially = 1248 + 252 = ₹ 1500
Thus, the cost of each toy was ₹ 78, and she had the amount of ₹ 1500.
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Question 32 Marks
A school is organizing a field trip for 25 students. Each student need to pay ?200 for the bus, and another ?50 for snacks. How much money will the school collect in total?
Answer
₹ 6250
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Question 42 Marks
A chicken pen held 7 chickens. Each chicken lays 5 eggs a day. How many eggs would they get altogether after 32 days?
Answer
1120 eggs
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Question 52 Marks
Evaluate the following.
(a) 10 – 11 + 12 – 13 + 14 – 15 + 16 – 17 + 18 – 19 + 20
(b) 2 – 2 + 2 – 2 + 2 – 2 + 2 – 2 + 2 – 2
Answer
(a) 15,
(b) 0 .
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Question 62 Marks
Neha bought 5 pencils, the cost of each pencil is ₹ 6, and Rita bought 4 erasers, which cost ₹ 4 each. How much money does they have to spend to buy these items?
Answer
₹ 46
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Question 72 Marks
A farmer has 25 orange trees and 15 apple trees. Each orange tree yields 12 oranges, and each apple tree yields 8 apples. What is the total number of fruits the farmer has?
Answer
420 fruits
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Question 82 Marks
Jessi ran 12 laps every day for two weeks. How many laps did she run in all?
Answer
Number of laps run by Jessi in a day = 12
Number of days = 2 weeks = 2 × 7 days = 14 days
Total laps run by Jessi in 2 weeks = 12 × 14
= 168
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Question 92 Marks
The total age of the three kids in a family is 27 years. What will be the total of their ages after three years?
Answer
Given,
Total age of three kids = 27 years After three years, the age of each kid will increase by 3.
So, the total age after three years = 27 + 3 × 3
= 27 + 9
= 36
Therefore, the total age of three kids after three years will be 36 years.
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2 Marks Questions - MATHS STD 7 Questions - Vidyadip