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101.

Find the angle which is equal to its complement

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ANSWER :`45^(@)`
102.

Write the opposites of the following statements : a. Gain of Rs. 500 b. 15 km East c. Spending Rs. 100

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Answer :a. Loss of Rs. 500
B. 15 KM west
c. SAVING Rs. 100
103.

Find: 2/(9)+4/(9)

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ANSWER : `2/(3)`
104.

Fill in the blanks so that the equality holds 278xx(455xx629)=(278xx_______ )xx629

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ANSWER :455
105.

Find if the following fractions are equivalent: 6/(28) and 54/(254)

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Answer :the FRACTIONS `6/(28) and 54/(254)` are not equivalent
106.

Write the successors and predecessors of: 400

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`401`; `399`
`400`; `399`
`400`; `398`
`401`; `389`

ANSWER :A
107.

Fill in the blanks. If x is multiplied by -7, the algebraic expression is ___________ .

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ANSWER :`-7X`
108.

Find the value of the following : (-500 - 25) - 250 = ___________

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ANSWER :-775
109.

If a number is divisible by x, then it is also divisible/not divisible by multiples of x

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ANSWER :not DIVISIBLE
110.

Insert ltorgt in the box. 28/(29)square19/(22)

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ANSWER :`GT`
111.

The product of two numbers is 5040 and their HCF is 12. Find their LCM.

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ANSWER :420
112.

Write all the factors of8

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`1,2,3,8`
`1,2,5,8`
`1,2,4,9`
`1,2,4,8`

ANSWER :D
113.

Write the fraction in the simplest form: 35/(63)

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ANSWER :`5/(9)`
114.

Convert the given fractions into decimal fractions : 36/40

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SOLUTION :`36/40=(9xx4)/(10xx4)=9/10=0.9`
115.

Compare the following pairs of numbers using the symbols lt and gt. {:(a.,"3 ____ 0",b.,"0 ______ -2"),(c.,"-9 ______ -2",d.,"7 ______ 9"),(e.,"-1 ______ -3",f.,"-5 ______ 2"):}

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ANSWER :`{:(a.,gt,b.,gt,C.,LT),(d.,lt,e.,gt,f.,lt):}`
116.

It is given that the weights of 150 litres and 100 litres of kerosene oil are 135 kg and 90 kg respectively.

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ANSWER :150 : 100 :: 135 : 90.
117.

30 Cricketers and 20 Kho-kho players are training on a field. What is the ratio of cricketers to the total number of players ?

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SOLUTION :The REQUIRED RATIO is `3 : 5`.
118.

Write the smallest natural number.

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ANSWER :1
119.

Find : - 4 - 5

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ANSWER :-9
120.

If x, y, and z are three natural numbers, then write the rule that shows that multiplication distributes over addition.

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ANSWER :`X XX (y+Z) = (x xx y) +(x xx z)`
121.

Find the prime factorisation of 144

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`2 XX 2 xx 2 xx 2 xx 3 xx 3`
`2 xx 2 xx 3 xx 3 xx 3 xx 3`
`2 xx 2 xx 2 xx 2 xx 2 xx 3`
`2 xx 2 xx 2 xx 2 xx 3 xx 4`

ANSWER :A
122.

Evaluate: 45-11-12+22

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ANSWER :44
123.

Write the mixed fractions given below as improper fractions: 11(9)/(13)

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ANSWER :`152/(13)`
124.

Replace * by the smallest digit so that: 6238*8 is divisible by 4

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ANSWER :2
125.

20% apples in a basket go bad. If there are 40 good apples in the basked, find the total number of apples in the basket.

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ANSWER :50
126.

Evaluate using BODMAS: (9-3+6)-:(2+5-1)

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ANSWER :2
127.

Find: 2(3)/(4)+5(5)/(6)

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`8(7)/(12)`
`8(8)/(12)`
`8(9)/(12)`
`8(10)/(12)`

ANSWER :A
128.

Fill up the square using ltorgtor=,so that the statement should be true. 7/(15)square28/(60)

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ANSWER :`=`
129.

Add : 3 1/5+2 1/3

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SOLUTION :
130.

Write the successors and predecessors of: 128

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ANSWER :129127
131.

Find the three equivalent fractions of the given fractions: 8/(9)

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`16/(18), 24/(27), 32/(36)`
`16/(19), 24/(27), 32/(36)`
`16/(18), 24/(27), 32/(33)`
`16/(18), 25/(27), 32/(36)`

Answer :A
132.

Yusuf purchased 8 articles costing ₹ 1200 each and sold them at ₹ 1400 each. Find his profit per cent.

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SOLUTION :YUSUF MADE `"16"2/3"%` PROFIT
133.

How many radii does a circle have?

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`2`
`4`
COUNTLESS
none of the above

Answer :C
134.

Find the reflex angle corresponding to each of the following angles: 125^(@)

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ANSWER :`235^(@)`
135.

Convert the following percentages into ratios : 33(1)/(3)%

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ANSWER :`1:3`
136.

Find : 7 - 3

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ANSWER :4
137.

Find the value of the following: 593000-:(996+4)

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ANSWER :593
138.

Find dy/dx if sinx=x^3-y

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ANSWER :REFLEX ANGLE
139.

Mr. Mehta purchased a second hand car for Rs. 85000 and spent Rs. 15000 on repairs. After sometime, he sold the car for Rs. 90000. Find the profit or loss. Also calculate it as percentage.

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ANSWER :LOSS of RS. 1000; 10%
140.

Tours for Qutab Minar, Red Fort and India Gate start from a tourist agency at 10.00a.m. Tours for Qutab Minar leave every 10 minutes, tours for Red Fort leave every 15 minutes and tours for India Gate leave every 30 minutes. At what time will the three tours leave from the agency at the same time again?

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`09:30` a.m
`11:30` a.m
`10:30` a.m
`10:45` a.m

Answer :C
141.

Express the following as algebraic equations and solve. Five times a number increased by 2 is 12. What is the number?

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ANSWER :2
142.

Find the ratio of: 10mm to 19 mm

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ANSWER :`10:19`
143.

What will be 4 times the diameter of a circle . If the radius of the circle is 2 cm?

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`12 CM `
`14 cm `
`16 cm `
`18 cm `

Answer :C
144.

Which of the following fractions are equivalent: 3/(8), 15/(32)

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ANSWER :not EQUIVALENT
145.

How many 7- digit numbers are there?

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ANSWER :90,00,000
146.

A number when decreased by 19. gives 59. Determinethe number.

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ANSWER :78
147.

Which is larger? 22/(26)or11/(14)

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ANSWER :`22/(26)`
148.

Estimate the folloowing by rounding off the numbers to their greatest place: a. 8576-:289 b. 6514-:78

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ANSWER :a.30b.87.5
149.

4.5g of an alloy of copper and zinc contains 3.5 g of copper. How much copper will there be in 18.9 gof alloy ?

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ANSWER :`14.7 G`
150.

A boy is 30 years younger than this father. If the sum of the ages of the son and the father is 56, find the age of the son.

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`13` YEARS
`12` years
`11` years
`10` years

Answer :A