2 / 3 is a rational number whereas √2 / √3 is
Find the greatest number which divides 285 and 1249, leaving remainder 9 and 7?
Clearly required no is 138
Shopkeeper offers 10% discount on an article and still makes a profit of 20%. What is the CP of the article marked at 500?
Marked price = 500
Discount = 10% of 500 = 450
S.P = 450
= 375
A fair price shopkeeper takes 10% profit on his goods. He lost 20% goods during theft. His loss percent is?
Let cost price = 100
Loss during theft = 20
Saleable goods = 80
Profit taken = 10% of 80
= 8
S.P. = 88
If a diagonal of a rhombus are 8 and 6 then the square of its side is?
= 5
(side)^{2} = 25
An angle in a semicircle is?
The angle at the centre ∠AOB is twice the angle at the circumference ∠APB
As ∠AOB is 180°, it follows that ∠APB is 90°.
AOB is the diameter of the circle, so it follows that the angle in a semicircle is always a right angle:
Atyre has 2 punctures, the first can alone empty the tire in 9 min and 2^{nd} can empty the tyre in 6 mins. How long will it take to empty the tyre by both punctures?
In a group of 500 students, 103 students like coco cream and vanilla cream, 300 students like only vanilla cream how students like only coco cream?
So coco only = 500 – 300 – 103 = 97
(764 x?) ÷250= 382
(764 x ?) ÷ 250 = 382
= 125
285 is summation of 3 numbers. Ratio between 2^{nd} and 3^{rd} numbers is 6:5. Ratio between 1^{st} and 2^{nd} numbers is 3:7. The 3^{rd} number is?
A box contains 36 marbles some are blue and others are green. If a marble is drawn at random from a box the probability that it is green is 2/3. Then no. of blue ballsare?
No. of blue balls
= 12
Raman loses 30% of his money after spending 25% of the remaining he still has Rs 525. How much money did he originallyhad?
If a point (x, y) ina oxy plane is equidistant from (1, 1) and (4, 3) then?
x^{2} + y^{2} – 2y + 2x + 2 = y^{2} + x^{2} + 9 + 16 – 6y – 8x
10x + 4y = 23
15x ?  8 x 2 – 9 = 0
15 x ? – 8 x 2 – 9 = 0
If the diameter of a cylinder is 28 cm and its height is 20 cm, then total surface area is?
Total surface area = 2πr (r + h)
= 2992
If the curved surface area of a cylinder is 1760 cm^{2} and its base radius is 14 cm when it’s height is?
Curved surface area = 1760
Tap A and B can separately fill the tank in 10 hours 15 hours respectively. If both taps are opened together, how much time will it take to fill the tank fully?
So Time taked = = 6 hrs
On selling 100 mangoes, a person gains selling price of 20 mangoes. Find his gain percent?
The diameter of a wheel is 98cm. Howmuch revolutions will it take to cover a distance of 1540m?
Distance covered in one revolution
= 308 cm
Total revolution
Angles ofan quadrilateral are in the ratio 3:4:5:8. The smallest angle is?
3x + 4x + 5x + 8x = 360
20x = 360
x = 18
So smallest angles = 18 x 3 = 54°
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