Number Systems, Progressions

MBA CAT 2022
482

Is there a generic way to find the sum of squares of an AP series?
Ex: 4^2+6^2+....80^2?

  • have to be done manually.
  • there's always a way!

0 voters

483

What is the hundreds digit of the number 5^5^6^7^8??
a) 2
b) 1
c) 6
d) 5

Solution also plz

484

find the remainder of [32 (raise to power 32) (raise to power 32)]/7

  • 2
  • 1
  • 4
  • 3

0 voters

485

The unit's digit in the sum (264)^102 + (264)^103 is

a. 0

b. 4

c. 6

d. 8

486

Hi Friends,

If we want to do this (30015)^2+ (48020)^2 .Please tell me some tricks to solve this also for long mulitiplications like 4653*673
487

1/(2)(5)(8) + 1/(5)(8)(11) + 1/(8)(11)(14) upto 15 terms=

  • 39/2350
  • 35/2151
  • 351/25010
  • none of these

0 voters

488

@riddhi9

1/(2)(5)(8) +

1/(5)(8)(11)

+ 1/(8)(11)(14)

upto

15 terms=

1) 39/2350



2) 35/2151



3) 351/25010



4) none of these Skip



—

any shorcut formula to solve these

489

@Anonymous

Twinkle tellsRaveena that she has got 3 kids and 2 of these kids are twins, andalso that their ages are all integers. She tells Raveena the sum of theages of her kids and also the product of their ages. Raveena says thatshe has insuficient information to determine the ages, but onepossibility is that the twins are a prime number of years old. IfTwinkle's twins are teenagers and their age is not prime, then the sumof the ages of her kids is



48 answers 1) A prime number



45 answers 2) Is greater than 43



133 answers 3) A composite number



61 answers 4) Exactly 2 of the foregoing



284 answers 5) Still undeterminable



—

useless Question

490

Find the remainder when 123123123...............300 digits is divided by 504? Kindly answer friends.

491

1

11
21
1211
111221
312211
13112221
what is the next no
492

Equation 4x-Ay=B has a number of integral solutions.If HCF(A,4)=1 and the number of solutions (x,y) for 0

493

Equation 4x-Ay=B has a number of integral solutions.If HCF(A,4)=1 and the number of solutions (x,y) for 0

  • NOT
  • 2
  • 1
  • 3

0 voters

494

@ajoy1988

Equation 4x-Ay=B has a number of integral solutions.If HCF(A,4)=1 and the number of solutions (x,y) for 0









0 answers 1) 3



0 answers 2) 1



1 answer 3) 2



3 answers 4) NOT



—

495
@vishal_anand007
496

A number when divided successively by 4 and 5 leaves remainder 1 and 4 respectively. when it is successively divided by 5 and 4, then the respective remainders will be;


497

1)what is the remainder when 9^2013 is divided by 77


Ans is 36

498

what is the remainder when 7^6666 is divided by 65


Ans 64

499

what is the remainder when 17^21^225 is divided by 117


500

what is the remainder when 21^1001 is divided by 91 ?


Ans is 21

501

What could be the right measures of 4 different weights of a total of 40 kgs with which we can weigh things weighted from 1 to 40 Kgs?

  • 1, 3, 12 and 14
  • 1, 2, 7 and 30

0 voters