Challenger App

No.1 PSC Learning App

1M+ Downloads
image.png
Which of the following numbers will replace the question mark (?) in the given series? 8, 18, 38, 78, 158,?
image.png
image.png
image.png
image.png
image.png
Madhu and Shiney together can complete a piece of work in 20 days, Shiney and Rosy together can complete the same work in 12 days, and Rosy and Madhu together can complete the work in 15 days. In how many days will three of them complete it together?
image.png
image.png
Rajiv's salary was first decreased by 40% and subsequently increased by 50%. How much percent did he lose from his initial salary?
image.png
Find the arithmetic mean of 5, 15, 23, 26, and 29.
image.png
In a class of 17 students, each scored differently. A's rank from the top is 9th, while B's rank from the bottom is 11th C's rank from the top is better than A but worse than B. What is C's rank from the top?
image.png
In a certain code language, 'FEELING' is written as 'VVUOTMR' and 'HEAVILY' is written as 'ZVSEBOR'. How will 'FORTUNE' be written in that language?
A current-carrying straight conductor is placed in a magnetic field. The conductor experiences the maximum force when the angle between the direction of the current in it and the direction of the magnetic field is?
In the absence of atmosphere, the colour of the sky would be?
As of March 2022, the common High Court for the states of Punjab and Haryana is located at _______?
Where is the Bowman's capsule located in the human body?
Which of the following elements shows a catenation property like carbon?

Consider the following statements: Which of the above statements help(s) us to understand the blue colour of a clear sky?

  1. (a) The red light has a wavelength about 1.8 times greater than the blue light.
  2. b) When sunlight passes through the atmosphere, the fine particles scatter blue light more strongly than red.
    Which country won the bronze at the men's Hockey Asia Cup 2022 in Jakarta?
    In March 2022, Bharat Biotech partnered with which country's bio-pharmaceutical firm Biofabri for TB vaccine?
    Which of the following herbs is found only in India and is used to treat blood pressure?
    Which of the following revolutionaries shot himself dead while fighting with the police at Alfred Park in Allahabad in 1931?
    Identify the wrong pair (Bank and related category) from following?
    Which of the following 'agam' describes nonviolence in Jainism religion?
    What is the ranking of India in plant diversity in the world as on December 2010?
    The 73rd Amendment of the Constitution enables the states with a population of less than 20 lakhs to have a minimum ______ structure in the local governance of the state?
    image.png
    The National Innovation Foundation - India has developed an indigenous herbal medicine called ________ as an alternative to chemical methods to treat worms in livestock?
    The Tadoba National Park is located in which state of India?
    Two resistors. A (20Ω) and B (30Ω), are connected in parallel. The combination is connected to a 3 V battery. The current through the battery is?
    Which of the following parts of a flower develops into a fruit after fertilisation?
    The word ________ in the Preamble to the Constitution of India implies an elected Head of the State?
    Voice change during puberty occurs due to?

    Read the given statement and conclusions carefully. Assuming that the information given in the statements is true, decide which of the given conclusions logically follow(s) from the statement.

    Statement:

    Onion prices have skyrocketed due to shortage of onions and largescale hoarding by a few traders.

    Conclusions:

    I. The government must crackdown on the hoarders and impose stringent penalties on hoarders.

    II. People must stop eating onions and switch to potatoes instead.

    Which of the following numbers will replace the question mark (?) in the given series? 12, 14, 31, 97, 393, ?
    Five houses, P, Q, R, S and T, are located in the same colony. T is 40 m to the east of Q. P is 30 m to the south of Q. R is 40 m to the west of Q. Q is 35 m to the south of S. In which direction is R with reference to T?
    Six boxes, A, B, C, D, E and F, are kept one over the other but not necessarily in the same order. Only one box is kept between B and D. Only two boxes are kept between B and E. E is kept just above A. F is kept just above B. Box A is not kept in the bottom most position. Which box is kept at the top?

    In the given letter-cluster pairs, the first letter-cluster is related to the second letter-cluster following a certain logic. Study the given pairs carefully, and from the given options, select the pair that follows the same logic.

    KDRB: PWIY

    UNGC: FMTX

    image.png
    The position of how many letters will remain unchanged if each of the letters in the word QUALITY is arranged in alphabetical order?
    A shopkeeper sells 35 kg sugar for every 40 kg using false weights. How much percentage profit does he make if sells sugar at cost price (rounded off to two places of decimal)?
    Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 4:8::8:32:: 12:?
    Among six girls, Natasha, Yuvika, Aditi, Tanya, Shahnaz and Daljeet, each one has a different height. Tanya is the shortest among all. Aditi is taller than only Natasha and one another girl. Shahnaz is shorter than Daljeet, who is shorter than Yuvika. Who is the third tallest among all six girls?
    A cuboidal room is of length 15 m, breadth 17 m, and height 21 m. Find the cost of painting its walls and ceiling at the rate of ₹40/m²
    Select the option that is related to the fifth number in the same way as the second number is related to the first number and the fourth number is related to the third number. 15:180::17:204::21:?