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Linear Equation In One Variable

A steamer goes downstream and covers the distance between two
ports in 3 hours. It covers the same distance in 5 hours when it goes
upstream. If the stream flows at 3 km/hr, then find what is the speed
of the steamer upstream?

03/11/2024

Mathematics

8th

mental ability

If IMPORT is written USPQNJ, then how will CAPITAL be written in this code ?
(A) MBUJQBD (B) KZSHOZB (C) MUBJBDQ (D) MBQJUBD

03/11/2024

mental ability

10th

Linear Equation In One Variable

A man was engaged as typist for the month of February in 2009. He
was paid Rs. 500 per day but Rs. 100 per day were deducted for the
days he remained absent. He received Rs. 9,100 as salary for the
month. For how many days did he work?

03/11/2024

Mathematics

8th

mental ability

If BOX is coded as CDPQYZ what will be the last two letters of word in the same code for HERO ?
(A) N, M (B) M, N (C) P, Q (D) Q, P

03/11/2024

mental ability

10th

Linear Equation In One Variable

In a two digit number, digit in units place is twice the digit in tens
place. If 27 is added to it, digits are reversed. Find the number.

03/11/2024

Mathematics

8th

mental ability

If HERCULES is coded s JCTAWJGQ, then what is the code for APHORDITE ?
(A) CNMJTBKRG (B) CNJMTBKSG (C) CNJMTBKRG (D) CNJMTCKRG

03/11/2024

mental ability

10th

Linear Equation In One Variable

If numerator is 2 less than denominator of a rational number and
when 1 is subtracted from numerator and denominator both, the
rational number in its simplest form is 1/2. What is the rational
number?

03/11/2024

Mathematics

8th

mental ability

If MENTAL is written LNDFMOSUZBKM, then how would TEST be written in that code ?
(A) UVFGTIIV (B) RSCDQRRS (C) SUDFRQRSM (D) SUDFRTSU

03/11/2024

mental ability

10th

Linear Equation In One Variable

The age of A is five years more than that of B. 5 years ago, the ratio of
their ages was 3:2. Find their present ages.

03/11/2024

Mathematics

8th

Linear Equation In One Variable

The perimeter of a rectangle is 240 cm. If its length is increased by
10% and its breadth is decreased by 20%, we get the same perimeter.
Find the length and breadth of the rectangle.

03/11/2024

Mathematics

8th