Math, asked by pawankumardubey82, 10 months ago

3. 2194 + 6873 – 1951 - ? = 3587



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4. The speed of a boat in still water is 8Km/hr. If it can travel 15 Km up stream and 15Km downstream together in 5 hrs, what is the speed of the stream ?



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5. A shop keeper purchase 20 articles at the rate Rs. 10/article and sells 10 of them at the rate of Rs 11/article and the remaining 10 articles at the rate of Rs 9/articles . What would be the profit earned by him ?



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6. By selling an article at a lost of 7% , a dealer losses Rs. 45 . What is the cost price of the article ?



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7. The ratio of the ages of two sisters today is 1:3 . However, after 4 years , the ratio would be 3:5. What is the age of the elder sister today ?



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8. 3000/15*114-3200=?



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9. If the average age of mother and her daughter is 34.5 years while the age of daughter is half of that of the mother, What is the mother’s age ?



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10. The monthly salary of a person gets increase by 5% , there by becoming Rs. 15120 p.a. . What was his earlier salary per month ?

























LOGICAL REASONING ( 10 Marks )



1. In a certain code, Men is written as MIN and WOMEN is written is WUMIN. How will CHILD be written in the same code ?

A) CHELD

B) CHOLD

C) CHALD

D) CHULD



2. Which letter when prefixed to the following forms new words – RACK, ALL, OVER, RIB ?

A) T

B) C

C) D

D) S



3. A finishes the work in 10 Days . B is 60% as efficient as A. So how many days does B take to finish the work ?



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4. Which of the following will come next in the series – 0 2 6 12 20 30 42 ?



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5. Which single letter when prefices to the following forms new words – ASH, ATE, APE, AID –

A) G

B) R

C) T

D) S



6. Which number will be the next in the following series – 18 10 6 4 ?



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7. Three of the following from a group. Which is the different one ?

A) Camera

B) Negative

C) Flash

D) Painting



8. In a certain code , SUGAR is written as ARGSU, what is TEAST when decoded ?

A) FEAST

B) STEAT

C) STATE

D) ATEST



9. Which of the following when reverse make a sensible word ?

A) NAIL

B) PAIL

C) RAIL

D) REST



10. In a class of 45 students , a boy is ranked 20th . What is the rank from the bottom ?

Answers

Answered by acesolution2017
4

Answer:


Step-by-step explanation:

Answer 3. Suppose the term is x

rearrange the equation like

2194+6873-1951-x=3587;

separate the term x;

2194+6873-1951-3587=x

apply Addition and subtraction:

9067-5538=x;

So x=3529; Answer

Answer 4.

Concepts of Boats and speeds:

If the Upstream is x km/hr and Downstream is y km/hr then;

The speed of boat still water is=1/2(x+y) km/hr

Rate of stream is =1/2(y-x) km/hr

=(1/2)(15-5)km/hr

=5km/hr


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