How many natural numbers less than 1000 will have their sum of the digits not more than 7.?
Is it 120 or 119?
The distance between the centres of 2 circles having radii 8cm and 3cm is 13 cm.The length of the direct common tangent of the two circles is??
the value of (1+sec20+cot70)(1-cosec20+tan70)=?
if a(tanA+cotA)=1
SinA+cosA=b
with A more than 0 and less than 90
A)2a=b^2-1
B)2a=b^2+1
c)b^2=2(a+1)
d)b^2=2(a-1)
ABCD is a trapezium where AD is parallel to BC.The diagonal AC and BD intersect each other at the point O.If AO=3 CO=x-3 and BO=3x-19 and DO=x-5 then value of x is=?
-8,-9
8,9
-8,9
8,-9
Sum of sum of sum of digits of
55!.. Till a single digit is arrived.
The sum of n terms of the series
√2+ √8+ √32+ ....... Is ----?
The roots of the equation (x^2-bx)/(ax-c)=(λ-1)/(λ+1) are such that α+ β=0 , then the value of λ is --?
a) (a-b)/(a+b)
b) c
c)b/c
d) (a+b)/(a-b)
Radius of incircle of triangle ABC is 4cm. The incircle touches BC at D. If BD=6cm, DC=8cm, then find AC.
In the given figure, STM and MQ are tangents to the circle at T and Q respectively. SRQ is a straight line. SR=TR and angle TSR=25. find angle QTM.
If 80% of the first number is equal to half the second number, and is one more than one-third of the third number, then which of the following cannot be the sum of the three numbers? [All the three numbers are positive integers.]
- 67
0 voters
If 80% of the first number is equal to half the second number, and is one more than one-third of the third number, then which of the following cannot be the sum of the three numbers? [All the three numbers are positive integers.]
- 97
- 122
- 72
- 67
0 voters
A peacock is sitting on the top of a pillar which is 9 high. From a point 27m away from the bottom of the pillar, a sneak is coming to its hole at the base of the pillar seeing the sneak the peacock punches on it. If their speeds are equal, then at what distance from the hole is the sneak caught?
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