how many 9 digit multiples of 6 can be formed using only the digits 8 or 9 ??
While driving on a straight road,Jason passed a milestone with a two digit number.After exactly an hour,he passed a second milestone with the same two digits written in reverse order.Exactly one more hour after that,he passed a third milestone with the same two digits reversed and separated by a zero.Find the sum of the digits.
plz explain
In triangle ABC, three points d,e,f are chosen on side bc,ab and ac, such that de is parallel to ac and df is parallel to ab, if the area of triangle bde is 36 and that of quadrilateral aedf is 60, then find the ratio of the perimeter of triangle cdf to that of triangle abc.
in a triangle, whose sides are 2cm, 3cm and 4cm . the orthocentre lies outside the triangle or inside plz explain the concept if it is obtuse or acute triangle and why ?
How many positive integral values of (a,b) satisfy the equation a^2-b^2=140?? Please explain the procedure to tackle such problems.
What is the maximum number of closed regions that can be formed by drawing four lines inside a circle?
A) 9 B) 10 c)11 d) 12
1+1/2+1/3+1/4.......1/9 ? approach for these kind of series ?
How many ordered pairs of integers (x,y) where x>0, satisfy the equation 1/x+3/y=1/29?? Explanation please... ( This special equations chapter in Time's material.. phew)
In a chimp zoo there are 1 billion monkeys. The probability that a monkey in the zoo has seen a banyan tree is 0.6. The probability that a monkey has seen a mango tree is 0.65. What is the minimum percentage of monkeys in the zoo who have seen both the tree ?
A.25%
B.39%
C.40%
D.60%
The students of class P,Q and R take a test. The avg mark per student of P and Q put together is 60. The avg mark per student of Q and R put together is 64 and that of R and P put together is 72. What could be the average mark per student of all the classes put together
A)61.5 B)61.9 C)62.5 D)68.3
A cube of side 5m is melted to form x cubes of side 1m,y cubes of side 2m and zcubes of side 3m. If x≠y≠z≠0 Find the difference between the minimum and maximum no. of total cubes which can be casted.
- 78
- 79
- 85
- 84
0 voters
can anyone share any study material regarding Number Systems( like bases conversion etc.)
It will surely help if you can post any question regarding this topic. Thanks.
What are the last two digits of 25 times the LCM of 31^22 - 11 and 31^22 + 14?
PS: What is the difficulty level of this Question .E M1 M2 D VD