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What value should come in place of question mark (?) in the following question?
88% of 1500 + 75% of 340 = ?% of 630
=> 88% of 1500 + 75% of 340 = ? % of 630
=> 1320 + 255 = ? × 6.30
=> ? = 1575/6.30 = 250
What will come in place of the question mark (?) in the following question?
35% of 5/9 of (450) = ?
Two pipes A and B can fill a tank in 18 minutes and 27 minutes respectively. If they are turned on alternately for one minute each starting with A, then what is the time taken to fill the tank?
Let total work = 54 unit (LCM of 18, 27)
First 2 minutes work = 3 + 2 = 5 unit
Work done in 20 minutes = 5 × 10 = 50 units
If the circumference of a circle is equal to the perimeter of a rectangle whose breadth is half of its length, then find the ratio of radius to length.
Let the radius be R & Let the breadth be L and length be 2L
Vinay makes a profit of Rs. 110 by selling a certain number of pens at the price of Rs. 2.5 per pen and incurs a loss of Rs. 55 if he sells the same number of pens for Rs. 1.75 per pen. How many pens does Vinay have?
Let the total no. of pens be x.
For profit of Rs. 110, S.P. = 2.5x
For loss of Rs. 55, S.P. = 1.75x. Let total C.P. be a
Now, 2.5x - a = 110 and
a - 1.75x = 55
Adding both = 2.5x - a + a - 1.75x = 110 + 55, x = 220
A sum of Rs. 800 amounts to Rs. 1250 in 2 years at r% p.a. on compound interest, find the value of r.
According to the question,
⇒ r = 25
Hence, option A is correct.
Nandita scored 80 percent marks in five subjects together; viz; Hindi, Science, Maths, English and Sanskrit together, wherein the maximum marks of each subject were 105. How many marks did Nandita score in Science if she scored 89 marks in Hindi, 92 marks in Sanskrit, 98 marks in Maths and 81 marks in English?
Total maximum marks = 105 × 5 = 525
80% of 525 = 420
Hindi + Sanskrit + Maths + English = 360
Marks in science = 420 – 360 = 60
Hence Option A is correct
Directions For Questions
Direction: Study the following graph carefully to answer the questions.
Number (in thousands) of Products Manufactured and Sold by a Company Over the Years
...view full instructions
What is the difference in the number of products Manufactured by the company in the year 2009 and 2008?
we are taking middle value of gap in chart, so
Number of products manufactured by the company in the year 2009
= 52.5 × 103
Number of products manufactured by the company in the year 2008
= 47.5 × 103
Required difference = (52.5 – 47.5) × 103
= 5000
the number of products sold by the company in the year 2004 is what per cent of the number of products manufactured by it in that year? (rounded off to two digits fter decimal)
Product sold by company in the year 2004 = 25
Product manufactured by the company in the year 2004 = 35
Required percentage
What is the per cent increase In the number of products sold by the company in the year 2006 from the previous year? (rounded off to two digits after decimal)
Products sold by the company in the year 2006 = 40
Products sold by the company in the year 2005 = 30
Required percentage increase
Correct (-)
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