Challenger App

No.1 PSC Learning App

1M+ Downloads
Select the most appropriate antonym of the given word. Cacophony
Choose the correct meaning of idiom: Show the white feather
Select the most appropriate antonym of the given word. Subterfuge
Spot the correct spelling of plant-based pollution cleanup.
Choose the correct one-word substitute for: 'A professional who prepares maps'.

Select the correct option:

Each of the datasets-------------been anonymized before release.

Select the correct option: The curator opted ----------displaying the artifact due to preservation concerns.
How many diagonals does a hexagon have?
Select the correct option: Neither the editor nor the contributors willing --------to accept the changes unconditionally.
If 5 @ 1 = 26,3 @ 4 = 13, then 6 @ 2 = ?

Find the part of the sentence that contains an error:

That none of the representatives found the proposal viable (1)/ is less surprising than the fact (2)/ that neither the chairperson nor the legal counsel (3)/ were briefed beforehand. (4)

Find the part of the sentence that contains an error:

Neither the projection of growth nor the estimation of deficit trends (1)/ appear to have accounted for the liquidity constraints (2)/that small-scale enterprises face (3)/ during cyclical downturns in demand. (4)

Change the following from active to passive: Will the authorities enforce the revised ordinance promptly?
If 'PHANTOM' is coded as 'KLSQZLN', then how is 'SPECTOR' coded?
If PEARL is coded as OFBQM, how is STONE coded?
A 40 L solution has salt and water in 3:5 ratio. How much water should be added to make ratio 3:7?

Select the sentence containing the homonym of the highlighted word: The guards stood in pike formation along the causeway.

If 3 & 4 = 25 and 5 & 2 = 29, then find the value of 6 & 3 =?
Sohan introduces a man: "He is the only son of my mother's only son." How is the man related to Sohan?
P's brother is Q. Q is the father of R. R is the sister of S. How is S related to P?
After interchanging + & x and 6 & 10, which of the following equations will hold true?
Which of the following regions is best described as a transition economy zone ?

Which of the following statements is/are correct?

  1. (i) Remote sensing is a source of cartographic data
  2. (ii) Digital databases allow easy updating
  3. (iii) Cartographic data includes only spatial data
    Agricultural efficiency is best measured by
    "Remote sensing is the technique of deriving information about objectives on the surface of the Earth without physically coming into contact with them" Definition given by
    Which type of Remote sensing represents the single band of visible spectrum to produce black and white images?

    Match The Following in Correct Sequences.

    IRS USA
    Land sat France
    Spot India
    Sentinal- 2 EU
    -----------is the father of GIS ?
    If 'J' means '+', 'K' means'-', 'L' means 'x', and 'M' means '÷' what is the value of the following expression? 20 M 4 L 3 J 5 = ?
    Arrange the following scholars in the correct chronological order
    Typography in cartography refers to
    Swami Vagbhatananda denounced caste barriers and idol worship and exhorted his followers to abjure such practices. He was the founder of
    The first full fledged Malayalam work printed in the language using Malayalam types was

    The famous Kerala reform leader K. Ayyappan is related with

    i. Popularised the idea of Misrabhojanam.

    ii. Promoted women education.

    iii. Encouraged Gender Equality.

    iv. Founded Sahodara Sangham.

    "Enlighten through education and strengthen by union" who said these words?
    With regard to the incident Gandhiji said, "A miracle of modern times and a smriti which is the people's charter of spiritual emancipation".
    Proclamation of Free Primary Education in 1817 is remarkable in the education sector. The proclamation was during the reign of
    Nalappat Narayana Menon has immortalised himself in Malayalam poetry by his beautiful elegy
    As a part of the campaign for eradication of untouchability a Satyagraha was organised during the period of December-April 1948 and it evoked the willing participation of princes of Royal families of Cochin. Which Satyagraha was mentioned above ?
    The news paper Swadesabhimani, was owned by
    Royal proclamation of July 26, 1859 is related to
    Expand SAGA?
    Which river was diverted and caused massive flooding during the landslide in Mundakkai on July 2024 ?

    Which of the following statement is/are correct about the suspension of fundamental rights ?

    i. Parliament can suspend fundamental rights by passing a law with a two-third majority

    ii. During an emergency, the President, by order, can suspend the enforcement of some fundamental rights

    iii. By the proclamation of emergency issued on the ground of war or external aggression, all fundamental rights are automatically suspended

    iv. Fundamental Rights cannot be suspended

    How many major East - flowing rivers are found in Kerala ?
    What is the approximate length of the coastline of Kerala ?
    Which district has the largest forest area in Kerala ?
    The Petroleum and Natural Gas Regulatory Board was constituted under which Act?
    Which of the following is a global mapping/charting organization ?
    Which district in Kerala is considered the "Gateway of Kerala" due to the gap in the Western Ghats?