Maths Practice Question and Answer
8 Q: A train moves at a speed of 35 km/h for the first 2 hours and at a speed of 50 km/h for the next 4 hours. Find the average speed of the train during the entire journey.
930 06426de97b34a0b67fc16c864
6426de97b34a0b67fc16c864- 147 km/hfalse
- 250 km/hfalse
- 345 km/htrue
- 435 km/hfalse
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Answer : 3. "45 km/h"
Q: A number consists of two digits. If the number formed by interchanging the digits is added to the original number, the resulting number (i.e. the sum) must be divisible by
930 0650d423410a18f5082eccafc
650d423410a18f5082eccafc- 111true
- 29false
- 35false
- 43false
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Answer : 1. "11"
Explanation :
Let the number be 10x + y
After interchanging the digits,
the number obtained = 10y + x
According to the question,
Resulting number
= 10x + y + 10y + x
= 11x + 11y
= 11 (x + y)
which is exactly divisible by 11.
Q: A travels 25% faster than B. They started their journey from a point P to another point Q and reach at the same time on point Q. Distance between P and Q is 85 km. On the way, however, A lost about 20 minutes while stopping for petrol. What was the speed of B?
930 064f848b81778d5be471fb11f
64f848b81778d5be471fb11f- 151 km/hrtrue
- 250 km/hrfalse
- 345 km/hrfalse
- 475 km/hrfalse
- 5None of thesefalse
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Answer : 1. "51 km/hr"
Q:Directions: Read the given pie and table carefully and answer the following questions.
The pie chart shows the percentage distribution of people who found COVID – 19 positive in four major cities of India from 1st July to 31st August 2020 and the table shows the number of people who tested positive in July from these cities.

Total peoples tested positive in Delhi is what percent of the total number of people tested positive in Mumbai?
930 064f567912bbb242750e8a3fd
64f567912bbb242750e8a3fd
- 111%false
- 214%true
- 316%false
- 418%false
- 519%false
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Answer : 2. "14%"
Q: If $$ {(x^{3})^{3} × x^{5}\over{x^{4}}}=x^{n}$$ then find the value of n.
930 0602cc59b6ea6434ffa77058a
602cc59b6ea6434ffa77058a- 110true
- 27false
- 39false
- 4None of thesefalse
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Answer : 1. "10"
Q: If $$ {a\over 3}={b\over3}={c\over4}$$ then find the value of $$ {a+b+c\over c}$$.
930 061162380a9d47920f2a71796
61162380a9d47920f2a71796- 1$$ {5\over 8}$$false
- 2$$ {5\over 2}$$true
- 3$$ {5\over 7}$$false
- 4$$ {9\over 8}$$false
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Answer : 2. "$$ {5\over 2}$$"
Q: Adding 335 to 5A7 results in 8B2. The number 8B2 is divisible by 3. Accordingly, what will be the maximum possible value of A?
929 06321ae963169cb1b15677a45
6321ae963169cb1b15677a45- 18false
- 24true
- 32false
- 46false
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Answer : 2. "4"
Q: if a+b+c=7 and a3+b3+c3-3abc=175, then what is the value of (ab+bc+ca)?
929 064d22a58a7983774471941cd
64d22a58a7983774471941cd- 18true
- 29false
- 37false
- 46false
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