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8. The members of a school council have raised `70,500. They plan to set up a maths
lab with some games and models worth `39,785, books worth `9,545 and sports
equipment worth `19,548. Does the school have sufficient funds to purchase these
items? If not, how much more money is required? If yes, how much money will remain?

9. Shreya starts her journey from Delhi to Kolkata via Varanasi. She buys two AC tickets
from IRCTC, one for `2,645 from Delhi to Varanasi and another for `3,275 from
Varanasi to Kolkata. She also spends `1,275 on a taxi and other local expenses, and
`5,489 on gift items for her mother. Find the total amount she spends and the amount

left with her if she begins her journey with `25,000.

21 st
Century #Inter-disciplinary
Skills
10. Priyanka Mohite climbed several famous mountain peaks. Some of these are listed
in the following table. read the table carefully and answer the questions that follow.

Mountain range height in metres Year
Mount Elbrus (Russia) 5642 2017

Mount Kilimanjaro (Africa) 5895 2016
Mount Annapurna I (Nepal) 8091 2021
Mount Makalu (China-Nepal border) 8485 2019
Mount Kanchenjunga (India-Nepal border) 8586 2022
Mount Everest (Nepal-China border) 8848 2013

a. By how many metres is Mount Everest higher than Mount Elbrus?
b. If Priyanka was 23 years old in 2016, what is her age now?

c. The combined height of Mount Kilimanjaro and Mount Elbrus is how many metres
more than the height of Mount Everest?

even And odd nuMberS

Consider the numbers 2, 4, 6, 8 and 10. Look at the dot arrangements of these numbers
as shown below.

2 4 6 8 10

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Mathematical Operations