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What number comes next?

Look at the series, determine the pattern, and find the value of the unknown number!

Correct answers: 34

The first user who solved this task is Sanja Šabović.

#brainteasers #math

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A father and son are out shopp

A father and son are out shopping for Christmas presents for their family.

The son asks, "What present are my sister and I going to get?"

The dad answers, "I got you guys an iPad and iPod."

"Wow, thanks," the son replies, "What will you give mom?"

The dad says, "Your mom is getting an iRon."

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Rudolf Pintner

Died 7 Nov 1942 at age 57 (born 16 Nov 1884).English-American psychologist who combined interests in mental measurements and education of people with disabilities. His performance assessment measures supplied half of the items of the World War I Army Beta Test. He directed many surveys in his field and wrote a number of scientific works. A Scale of Performance Tests (1917) by Rudolf Pintner and Donald G. Paterson, introduced the Pintner-Paterson Performance Test, the first test of nonverbal intelligence. It was intended as a "supplemental" test to the 1908 Binet battery (which they criticized as unwarrantably favorable to the verbal aspects of individual intelligence). They insisted that there was more than one aspect of intelligence and more than one way of measuring it.[Image: Picture Completion puzzle, part of the Pintner & Paterson's clinical style performance scale (1917)]

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