Related Questions

In a city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city has neither black hair nor black eyes?
ক 35
খ 40
গ 45
ঘ 50
In a certain city 40% of the people have black hair, 25% have black eyes and 10% have both black hair and black eyes. What percentage of the people in the city have neither black hair nor black eyes?
ক 35
খ 40
গ 45
ঘ 50
All legislative subject are mentioned in three lists union list, concurrent list and state list. Any subject is not mentioned in all three list, the law on that particular subject can be framed by-
ক Parliament only
খ State Legislature only
গ 1 and 2
ঘ Neither 1 nor 2
Tough the dreams have been a great topic of research and a subject of truth-seeking and spiritual interest since the historic times,---
ক we are still unable to find out the definite purpose and content of dreams
খ both the content and purpose of dreams are still not understood definitively
গ the purpose and content of dreams is still very much unclear
ঘ we are still unable to find out the definite purpose and content of dreams
A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where $$\sigma $$ = Stress for a plate with no hole i.e. nominal stress)
ক $$\sigma \left( {1 + \frac{{\text{b}}}{{2{\text{a}}}}} \right)$$
খ $$\sigma \left( {1 + \frac{{2{\text{a}}}}{{\text{b}}}} \right)$$
গ $$\sigma \left( {1 + \frac{{\text{b}}}{{3{\text{a}}}}} \right)$$
ঘ $$\sigma \left( {1 + \frac{{3{\text{a}}}}{{\text{b}}}} \right)$$
A basket contains four balls of four diffirent colors -white red, black and green which will be distributed among for persons Rajib, Litu, Simu, and Rida. Rida must not be given the black one. Simu not be given either the black one or the green one. If the above conditions are fulfilled, Which of the following must be true?
ক Simu will be given the red one
খ Lity will given the black one
গ Rida will be given the green one
ঘ All of these
A box contains 200 marbles, 25% of which are of black colour. Babu took some marbles from the box found that 30% of them are black. Of the remaining marbles, 10% were black marbles. How many marbles did Babu take?
ক 120
খ 125
গ 150
ঘ None of these
Which telescope array was used to capture a black hole's first ever image?
ক Hubble Space Telescope
খ Event Horizon Telescope
গ James Webb Space Telescope
ঘ Chandra X-ray Observatory
The first ever image of a Black Hole at the center of the M87 Galaxy could be photographed using a telescope system called
ক Hubble Telescope
খ Mount Palomar Telescope
গ Mount Palomar Obsrvatory
ঘ Event Horizon Telescope
A,B,C,D,E,G and I are seven friends who study in three different standards namely 5th, 6th and 7th such that not less than two friends study in the same standard. Each friend also has a different favorite subject namely History, Civics, English, Bangla, Science , Maths , and Economics but not necessarily in the same order. A likes Maths and studies in the 5th standard with only one other friend who likes Bangla. I studies with tow other friends . Both the friends who study with I like languages (Here languages include only Science , English and Bangla ) . D studies in the 6th standard with only one person and does not like Civics . E studies with only one friend . The one who likes history does not study in 5th or 6th standard . E does not like languages. C does not like English , Science or Civics. Which combination represents E's favorite subject and the standard in which he studies?
ক Civics and 7th
খ Economics and 5th
গ Civics and 6th
ঘ History and 7th

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