Solve ques 1 please!
How many times the digit 1 will be written when writing all natural numbers from 1 to 10,000?
- 4002
- 4001
- 4000
- None of these
0 voters
guys has ny body seen what kind of calculator has been allowed in the mock cat on the official website
Please explain this.
Please explain this one.
Q.71
There are 40 students in a class. A student is allowed to shake hand only once with a student who is taller than him or equal in height to him. He can't shake hand with anyone who is shorter than him. Average height of the class is 5 feet. What is the difference between the maximum and minimum number of handshakes that can take place in the class? 361 , 40C2 , 40C2-40
If the equation x^3-4x^2+x+6=0 and x^3-3x^2-4x+k=0 have a common root, which of the following could be a value of k?
a dog is chasing a cat .if the ration of no. of leaps taken by dog to cat is 4:5 and if the 2 leaps of dog are equal to 3 leaps of cat, find after how many leaps of dog will it be able to catch cat if cat was 12 leaps ahead than dog
a>27
b>32
c>48
d>72
A B and C has total rs 48 with them .A gives to B what B already has. then B gives to C what C already had . then C gives to A what A already had. finally A B and C had equal amounts left with them. what are the initial amounts with them? (any other way to solve except making equations )
if 4x^2-y^2+4y=c, represents family of lines, then what is value of c?
Sala boss ne time pe 5 days tour bol diya... 😞 WTF
Equation ax^7+bx^4+cx^3+dx^2+e=0 has exactly two complex roots and a>0 ,d>0, then how many of the ff stat could be true? i) b>0,c>0,e>0 ii)b0,e>0 iii)b0,e
Distance between 2 opposite vertices of regular hexagon ??
Q.22 'abc' is a three digit number such that a, b and c are different natural numbers greater than 1. If each of a, b and c is a factor of 12, then what is the sum of all such numbers abc, between 111 and 999?
a 8990b 9990c 10100d None of these
A boat is being rowed away, from 210 metres high cliff at the speed of 3km/hr .What is the approximate time taken for the angle of depression of the cliff at the boat to change from 60 degs to 45 degs
The number of ways to distribute n different things equally among r persons is
A class of 24 is divided into two sub-sections containing 12 boys each. What is the probability that two of the shortest boys of the class are in different sub-sections, if all boys have different heights.
- 6/23
- 12/23
- 14/23
- 7/24
0 voters
Could someone please help?.. How to quickly do these calculations? We have to find: Which one is maximum?
( 734 * 15 ) / (725 * 13)
(314 * 10 ) / ( 207 * 12)
(686 * 22 ) / ( 709 * 23)
(560 * 18 ) / (513 * 20)