Classify the triangle as a type of triangle if the sides of the triangle are 6, 12 and 13 units.
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If today is Saturday, what will be the day 350 days from now ?
350 days = (350/7=50 weeks) i.e No odd days,
So it will be a Saturday.
The inner circumference of a circular race track, 14 m wide, is 440 m. Find radius of the outer circle
Let inner radius be r metres. Then, 2πr = 440 ; r = 440×744= 70 m.
Radius of outer circle = (70 + 14) m = 84 m.
The sale price of an article including the sales tax is Rs. 616. The rate of sales tax is 10%. If the shopkeeper has made a profit of 12%, then the cost price of the article is :
110% of S.P. = Rs. 616
S.P. = (616 x 100)/110 = Rs. 560
C.P = (110 x 560)/112 = Rs. 500
Rohit crosses a 700 metres wide road in 35 seconds. What is his speed (in km/hr)?
Find the odd word/letters/number pair from the given alternatives.
(A) Neurologist
(B) Dentist
(C) Architect
(D) Paediatrician
Find the surface area (in sq.cm) of a sphere of diameter 14 cm.
If the mean of a, b, c is M and ab + bc + ca = 0, then the mean of a2+b2+c23 is :
We have : ( a + b + c) / 3 = M or (a + b + c) = 3M.
Now. a+b+c2=3M2=9M2 .
<=>a2+b2+c2+2ab+bc+ca=9M2
a2+b2+c2=9M2 ,(ab+bc+ca=0)
Required mean =a2+b2+c23=9M23=3M2 .
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